Ovid: Hand and Wrist

Authors: Doyle, James R.
Title: Hand and Wrist, 1st Edition
> Table of Contents > Section II – Outpatient Clinic > 5 – Infections

This chapter will present the basic principles involved
in the diagnosis and treatment of common infections in the hand.
Discussion will begin with the more common bacterial infections
involving soft tissue and bone that may be seen in an acute situation.
Prior to the antibiotic era, infections in the hand and
their sequelae could be disabling, and in some cases fatal. Antibiotics
have changed that, but early diagnosis and treatment is a necessary
part of the management equation in order to minimize the potential
disability that may result from infections that are diagnosed late or
treated inappropriately. The specifics of the pertinent anatomy as it
relates to each infection will be addressed under each type of
The effect of antibiotics is most pronounced in the
early phases of an infection. Antibiotics may in some instances cure
certain types of infections if they are administered early and are
organism specific. Many infections, however, do not present in a timely
fashion. Some infections may begin as cellulitis; at this stage a more
serious or deep infection may be averted by prompt treatment including
antibiotics, and elevation and rest of the affected part.
The patient’s history of injury or onset is often
critical to making the correct diagnosis. Not all patients will be
forthcoming with the true details of the circumstances surrounding the
infection. Human bite wounds are a prime example: most patients will
not admit that the problem occurred from a fistfight, but rather say it
resulted from a fall.
A basic principle of the treatment of deep or
closed-space infections is to provide open drainage in a suitable and
timely fashion. Drainage of an infection is accompanied by a culture of
the material obtained, and includes routine bacterial and fungal
cultures. A smear and gram stain of the drained material may allow a
presumptive or tentative identification of the organism involved.
Antibiotics are started based on the most likely organism involved. Table 5-1 includes examples of selected antibiotic agents, and their class, spectrum, use, and cost.
Immobilizing the affected part and allowing it to rest
are also important aspects of treatment. Elevation means that the
affected part is at least 30 cm above the level of the heart, a posture
that is most easily obtained by recumbency. Sitting in a chair with the hand at or below the level of the heart is not elevation.
Immobilization by use of a splint or cast provides rest to the part and
will also prevent inappropriate inspection or manipulation of the
lesion by the patient.
Remember that infections in diabetic, debilitated,
malnourished, or immunocompromised patients will be more difficult to
treat, and will sometimes present as chronic, rather than acute,
infections. Infections in these patients sometimes require amputation
of digits.
The following discussion will include some of the more
common infections that may be encountered in the outpatient clinic or
the emergency department.
The felon is a subcutaneous infection that occurs in the distal pulp of the fingers or thumb.
Pertinent Anatomy
The distal pulp of digits is covered by thick skin that
is tethered to the osseous phalanx by multiple fibrous tissue septae.
This three-dimensional space is filled with fat, and contains numerous
vessels and nerves and their specialized end organs. These septae
stabilize the pulp for pinching and grasping, and form compartments
that may prevent adequate drainage unless incised (Figure 5-1).
Clinical Appearance and Diagnosis
  • The felon presents as a swollen, red,
    painful, and tender terminal phalanx that may or may not have a history
    of a penetrating injury (Figure 5-2).
  • Spontaneous drainage or pointing of the abscess may occur (Figure 5-3). This indicates a late and neglected infection, and diagnosis and treatment should have been started in a more timely fashion.
  • The felon may also migrate to the distal interphalangeal (DIP) joint and to the adjacent flexor sheath in untreated cases.
  • Treatment is aimed at decompression of the abscess, which is often under tension.
  • Surgical drainage is indicated if there
    is evidence of a purulent collection under pressure. This may occur
    within 2 to 3 days of the onset of the condition.

    Table 5-1 Class, Spectrum, Use, and Cost of Selected Antibiotic Agents
    Class   Spectrum Notes Cost*
    Natural penicillins Penicillin G, penicillin V Most streptococci, gram(+) anaerobes, some Staphylococci; poor gram(-) Effective for S. viridans, Pasteurella in bite infections $–$$
    Penicillinase-resistant Nafcillin, methicillin, dicloxacillin Similar to natural penicillins, but better Staphylococcus coverage Nafcillin effective for septic arthritis, osteomyelitis $$$
    Extended spectrum Ampicillin, amoxicillin Similar to natural penicillins, but better gram(-) coverage   $
    With β-lactamase inhibitors Amoxicillin/clavulanate (Augmentin), ampicillin/sulbactam (Unasyn) Similar to extended-spectrum penicillins, but better coverage of β-lactamase-producing Staphylococci, gram(-) Good first line coverage for diabetic hand infections $$$
    First generation Cephalexin (Keflex), cefazolin (Ancef, Kefzol) Similar to penicillinase-resistant penicillins against gram(+); some gram(-) Recommended prophylaxis against wound infections $–$$
    Second generation Cefuroxime, cefotetan Similar to penicillinase-resistant penicillins against gram(+); more gram(-)    
    Third generation Ceftriaxone, ceftazidime Similar to second generation but including Pseudomonas Ceftriaxone effective against gonococcus $$$
    Fourth generation Cefepime Similar to third generation cephalosporins    
    Other β-lactams
    Carbapenems Imipenem, meropenem Broad-spectrum against most gram(+) and gram(-) bacteria, some Pseudomonas Reserved for severe, polymicrobial infections $$$$$
    Monobactam Aztreonam Some gram(-), no anaerobes or gram(+) cocci   $$$$$
    Glycopeptides Vancomycin Gram(+), including MRSA; no gram(-) coverage IV only, can cause red-man syndrome if infused quickly $$$
    Polypeptides Bacitracin, polymyxin Bacitracin covers only gram(+), polymyxin only covers gram(-) Topical use only $
    Aminoglycosides Gentamicin, tobramycin, amikacin Gram(-), including Pseudomonas Monitor levels, screen for nephrotoxicity, ototoxicity $$$
    Tetracyclines Tetracycline, doxycycline Most gram(+), some gram(-) Do not use in children (stains teeth, bones) $
    Macrolides Erythromycin, clarithromycin Most gram(+), some gram(-), clarithromycin active against mycobacteria GI side effects common $–$$
    Oxazolidinones Linezolid (Zyvox) All Staphylococci (incl MRSA, all Streptococci, all enterococci (incl. VRE) Good PO bioavailability, bone/joint penetration $$$$
    Lincosamides Clindamycin Staphylococci, some gram(-) anaerobes High incidence of GI side-effects $$
    Streptogramins Quinupristin-dalfopristin (Synercid) Staphylococci, Streptococci, enterococci (including VRE) IV only, good bone/joint penetration $$$$$
    Fluoroquinolones Broad-spectrum Ciprofloxacin (Cipro), levofloxacin (Levaquin) Broad gram(+) and gram(-) coverage Good PO bioavailability for bone and joint infections $$–$$$$
    Expanded-spectrum Gatifloxacin (Tequin), moxifloxacin (Avelox) Similar to broad-spectrum fluoroquinolones, but better gram(+) coverage Good PO bioavailability, limited FDA approval $$$$$
    Other β-lactams
    Metronidazole Metronidazole (Flagyl) Parasites, anaerobes, including C. difficile Drug of choice for C. difficile $
    Sulfonamides Trimethoprim-sulfamethoxazole (TMP-SMX, Bactrim) Broad range of gram(+) and gram(-) Commonly used for urinary tract infections $
    Antimycobacterials Isoniazid (INH), ethambutol, cycloserine, rifampin, pyrazinamide (PZA) Mycobacteria; rifampin also effective against gram(+) cocci Usually used in combinations; consult infectious disease specialist $–$$$$
    Costs for recommended courses of treatment: $, $1–10; $$, $10–50; $$$,
    $50–200; $$$$, $200–1000; $$$$$, $1000–20,000; FDA, US Food and Drug
    Administration; GI, gastrointestinal; gram(-), gram negative; gram(+),
    gram positive; IV, intravenous; MRSA, methicillin-resistant Staphylococcus aureus; PO, by mouth; VRE, vancomycin-resistant Enterococcus.
    (From Cornwall R, Bednar MS. Infections. In: Trumble, TE, ed. Hand
    surgery update-3, hand, shoulder & elbow. Rosemont, IL: American
    Society for Surgery of the Hand, 2003:433–457.)

    Figure 5-1 The anatomy of the terminal phalanx.
    Figure 5-2 (A) Clinical appearance (swelling) of a felon in the thumb. The pulp was firm and tender to palpation. (B)
    Felon of the left middle finger. Note the swelling in the pulp and the
    proposed midlateral incision of the noncontact side of the digit.
  • The aim of surgery is to produce immediate and continuous drainage of the abscess.
  • The usual organism is Staphylococcus aureus, although opportunistic gram-negative and mixed organisms may be encountered in the immuno-compromised patient.
  • This requires an appropriate incision and division of the fibrous septae to promote drainage.
  • Appropriate and inappropriate incisions for drainage of the felon are depicted in Figure 5-4.
  • Incisions that extend on both sides of
    the pulp (fish-mouth incisions) are to be avoided. They result in
    unsuitable scars, may result in vascular or neurological compromise of
    the resultant flap, and in general alter the shape and function of the
  • The preferred surgical incision is a
    lateral midaxial incision that begins distal to the DIP joint flexion
    crease and continues distally at a level adjacent to the free edge of
    the nail plate.

    Figure 5-3 A felon that was neglected and drained spontaneously (or pointed).
    • This incision maintains the architectural
      integrity of the pulp, while at the same time providing adequate
      exposure and drainage.
  • Oblique or longitudinal volar incisions
    may be used if the abscess is pointing in that direction (volar), but
    should be relatively short and should avoid injuring the underlying
    digital nerves.
    • This volar incision may be most suitable when the abscess has spontaneously drained in that direction.
    • These incisions should not cross the flexion crease.
  • The incisions are placed on the non-contact side of the digit.
    • In the index, middle, and ring fingers,
      the incisions are on the ulnar side and in the thumb and little finger
      they are on the radial side.
Drains, Antibiotic Therapy and Splints
  • A small drain is inserted into the wound to keep it open and promote drainage.
    Figure 5-4 Inappropriate (marked with an X) and appropriate incisions for drainage of the felon.
    Figure 5-5
    The anatomy of the distal phalanx showing the finger nail components,
    nail plate, matrix, and eponychium, with an artist’s depiction of a
    lateral fold infection called a paronychia.
    • An alternative to this drain is to place a small catheter in the wound for irrigation and drainage.
  • Antibiotic therapy, along with rest (a plaster splint is effective) and elevation of the extremity, is instituted.
  • Prompt drainage, suitable incisions, and
    antibiotic therapy usually result in a satisfactory outcome that will
    preserve the function of the pulp and avoid a disabling scar. These
    actions also tend to prevent the spread of the infection to bone or to
    the flexor tendon sheath.
Acute Paronychia
Pertinent Anatomy
A paronychia is an infection of the lateral soft tissue
fold surrounding the nail plate. The interface between the nail plate
and the overlying skin is a unique anatomic arrangement that allows for
growth of the nail plate from matrix cells (Figure 5-5).
This interface or seal however may be penetrated by foreign bodies that
introduce bacteria into an otherwise sterile interface. Over-vigorous
manicures and nail biting may be associated with these infections.
Clinical Appearance and Diagnosis
  • The initial infection usually involves half or less of the eponychia fold, and in such instances is called an eponychia.
  • A neglected infection may involve the entire fold, and is called a run-around infection (Figure 5-6A).
  • These neglected lesions may spread to the
    insertion of the adjacent extensor tendon. This can result in a mallet
    finger deformity and can deform the fingernail secondary to injury to
    the germinal nail matrix (Figure 5-6B).
  • Staphylococcus aureus is the usual organism involved, but Streptococcus and oral anaerobes may be seen in infections caused by nail biting.

Figure 5-6 (A) The “run-around” form of paronychia. (B) The end result of delayed treatment of a severe paronychium with chronic mallet finger and nail deformity.
  • Early cases (before fluctuance and an abscess have developed) may be treated by warm water soaks, splinting, and cephalosporins.
  • If an abscess is identified, it must be
    drained by one of several methods, including elevation of the
    eponychial fold to drain the purulent material, followed by insertion
    of a small drain; or an oblique incision in the eponychial fold
    centered over the site of maximum involvement. In more chronic cases, a
    margin of the nail plate is removed, followed by a drain insertion.
Chronic Paronychia
Clinical Appearance and Diagnosis
  • The term chronic paronychia is used to describe nonbacterial infection of the eponychial fold caused, most commonly, by a Candida albicans
    infection. Other organisms such as tuberculosis, syphilis, atypical
    mycobacteria, gram-negative rods, and cocci have also been identified,
  • It is most often associated with chronic
    maceration, and occurs in patients such as dishwashers, homemakers,
    bartenders, and others that have their hands in water that contain
  • Some have concluded that this condition is a type of hand dermatitis and not onychomycosis.
  • Treatment is difficult and not always successful.
  • Nonsurgical treatment includes topical corticosteroids and systemic antifungal agents.
  • Treatment that removes the patient from constant exposure to water may be as important as medications.
  • In patients who do not respond to conservative treatment, surgical marsupialization with or without plate removal may be effective.
  • A crescent of skin that is 3 to 4 mm wide
    is excised proximal and parallel to the eponychium, which includes
    skin, fat, and nail plate—but not the nail matrix (Figure 5-7).
Herpes Simplex (Herpetic Whitlow)
Clinical Appearance and Diagnosis
  • This condition represents an important differential diagnosis of both pyogenic paronychia and felon.
  • It is an infection caused by the herpes simplex virus (types 1 or 2) and is usually seen in medical and dental personnel.
  • The affected digit is swollen, painful, and red.
  • The infection may involve more than one digit and is often less tender than a bacterial lesion.
  • Figure 5-8 shows the typical appearance of the herpes simplex lesion in the digit.
  • Small vesicles may appear early on, and the fluid in them is clear and not purulent.
    • These lesions then involute and desquamate, and the cycle resolves in 3 to 4 weeks.
    • The diagnosis is usually made by taking a history and performing an examination.
Figure 5-7 Marsupialization technique for surgical management of chronic paronychia.

Figure 5-8 The clinical appearance of a herpes simplex infection in the digit. (A) The erythematous phase. (B) The pustular phase. (C) The desquamation phase. (Courtesy of Dean S. Louis, University of Michigan.)
  • Surgery is not necessary and is contraindicated
    since bacterial infections may contaminate the incision site. Systemic
    dissemination with a secondary viral encephalitis can also occur.
Pyogenic Flexor Tenosynovitis
Pertinent Anatomy
The flexor tendons are enclosed in a double-walled
synovial sheath that extends from the region of the DIP joint to the
midpalm in the index, middle, and ring fingers; from the DIP joint to
the wrist in the little finger; and from the interphalangeal (IP) joint
to the wrist in the thumb. The most common arrangement of the synovial
sheath of the digits is shown in Figure 5-9.
This sheath represents a closed space that, if infected, can produce
severe disability in the digit. Such infections require early diagnosis
and appropriate treatment. The relationship of the pulley system that
must be preserved during surgical drainage is depicted in Figure 5-10.
Clinical Appearance and Diagnosis
  • Kanavel described four characteristic findings in pyogenic flexor tenosynovitis:
    • Flexed posture of the finger.
    • Swelling of the finger (Figure 5-11).
    • Tenderness along the course of the sheath.
    • Significant pain with passive extension of the flexed finger.
  • The most common organism is Staphylococcus aureus.

Figure 5-9
The most common arrangement of the synovial sheaths in the hand. This
configuration gives anatomic support to the concept of the “horseshoe
abscess,” which is a flexor sheath synovial infection that may
communicate from thumb to little finger and vice versa through Parona’s
space. See Figure 5-12 for depiction of Parona’s space.
Figure 5-10 The digital pulley system. (A) The finger pulleys. (B) The thumb pulleys.
Figure 5-11
The clinical appearance of pyogenic flexor tenosynovitis in the little
finger following an untreated laceration at the PIP flexion crease.
Note the swelling and erythema in the finger and palm.
  • If seen early (within 24 to 48 hours), it
    may be feasible to treat to the condition by hospitalization with
    intravenous antibiotics, bed rest and elevation of the hand, and
    immobilization with a splint—with the hand and wrist in the position of
    function (wrist in moderate extension and the fingers slightly flexed).
    • The patient should be evaluated twice
      daily; if the condition is not resolved within 24 to 48 hours, surgical
      drainage should be performed.
  • Most cases will be in the late category.
    Surgical drainage is performed along with the modalities listed for
    early conservative treatment.
  • Open drainage through midaxial and palmar
    incisions has been employed in the past for these infections, but when
    compared to closed catheter irrigation, the former technique may be
    associated with a higher incidence of complication and reoperation.
  • The current trend for recommended treatment is for closed catheter irrigation.
  • Closed catheter irrigation consists of
    insertion of a 16-gauge polyethylene catheter into the sheath just
    proximal to the first annular pulley through a transverse, oblique, or
    zigzag incision.
  • The catheter is passed under the A1 pulley distally for about 2 cm (see Figure 5-10).
  • The catheter is sutured to the skin, and the wound is closed.
  • A second incision is made distally,
    either on the noncontact side of the digit in the midaxial plane or
    volarly distal to the A4 pulley.
  • The sheath distal to the A4 pulley is excised, and a small drain is sutured in place to ensure that the distal wound stays open.
  • The patency and drainage of the construct is tested by the injection of sterile saline through the proximally placed catheter.
  • A variation on this technique is to bring
    the distal end of the catheter out the distal wound and allow passage
    of saline in the sheath by two to three openings made in the catheter
    within the sheath.

    Figure 5-12 The palmar space and Parona’s space (see text for details).
    • The proximal portion of the catheter is brought out through the dressings, and attached to a sterile 50-mL syringe.
    • The distal wound is left exposed in the splint and dressings for visual verification of patency of the system.
  • The system is flushed with sterile saline
    every 2 hours for 48 hours, and then the finger is inspected.
    Comparable end results might be achieved without postoperative
  • If the infection has abated, the catheter should be removed and gentle range of motion exercises should begin.
  • If there is some question about the status of the infection, the irrigation can be continued for another 24 hours.
  • General principles in this technique
    include preservation of the annular pulleys during placement of the
    catheter, and concomitant intravenous antibiotic therapy.
Central Palmar Space Infections
Pertinent Anatomy
I recommend that the following concept regarding the
palmar space, based on the work of Bojsen-Moeller and Schmidt, be
accepted as valid.
  • The central palmar space is bounded radially and ulnarly by marginal septae that begin as an expansion of the sidewalls of the carpal canal.
  • The floor is formed by the palmar interosseous fascia, transverse metacarpal ligaments, and adductor fascia.
  • The roof is formed by the palmar aponeurosis.
  • The radial marginal septum extends
    distally to the proximal phalanx of the index finger, and forms the
    radial wall of the lumbrical canal.
  • The ulnar margin septum is attached to the shaft of the small finger metacarpal.
  • Between these two marginal septae are
    seven intermediate septae that divide the distal aspect of the central
    palmar space into four canals for the flexor tendons and four canals to
    accommodate the lumbrical muscle and neurovascular bundles.
  • Thus, the historical
    concepts of a thenar and midpalmar or, as later modified, an adductor
    and deep palmar ulnar space should be abandoned in my opinion
    (Figure 5-12).
Clinical Appearance and Diagnosis
  • An infection of the central palmar space
    may result from a penetrating injury to the space or an extension of an
    infected digital synovial sheath.
  • There may be swelling, redness, and
    tenderness in the central aspect of the palm, and active and passive
    movement of the fingers may be painful.
  • Surgical drainage may be performed
    through an incision in or parallel to the proximal palmar crease or
    thenar crease to correspond to the site of maximum fluctuance.
  • A drain is placed to promote continuous egress, and a splint is applied.
  • P.86
  • Elevation of the extremity, bed rest, and appropriate antibiotics complete the treatment regimen.
Special Situations
Several conditions may present as unique situations and may seem somewhat out of the ordinary.
Horseshoe Abscess
  • This term is used to describe an
    infection that may begin in the thumb or little finger flexor sheath
    and that may infect the opposing digit.
  • This occurs when sufficient pressure in
    the respective sheath results in passage of the infected material into
    Parona’s space in the wrist and then into the opposing tendon sheath.
    (see Figure 5-9 and Figure 5-12)
  • The treatment principles described for
    flexor tenosynovitis are used, and drainage is required for both of the
    digits involved and at the wrist (Parona’s space).
Collar Button Abscess
  • This term has been used to describe interdigital web-space infections.
  • The infections usually begin in the palm.
  • The palmar fascia attachments to the skin
    provide resistance to superficial palmar spread, and the infection will
    spread dorsally in the path of least resistance. Thus, the lesion
    presents in the shape of a collar button or an hourglass.
  • Patients present with painful swelling in the web space and distal palm.
  • Palmar and dorsal drainage is effective
    treatment through appropriate incisions such as a zigzag palmar
    incision and a longitudinal web incision dorsally.
Although osteomyelitis may be seen in the hand by direct
extension from an adjacent soft tissue infection, it may also result
from direct penetration. It seldom occurs by the hematogenous route. Staphylococcus aureus and S. epidermidis are the usual organisms involved.
Clinical Appearance and Diagnosis
  • Osteomyelitis should be suspected in any
    longstanding or deep infection that is adjacent to bone, or in an
    infection following a deep, penetrating wound.
  • Chronic swelling and infections that fail to resolve with standard treatment may indicate osteomyelitis.
  • Elevation, increased thickness of the
    periosteum, or an osteolytic lesion in the bone, seen on radiograph,
    are signs of bone infection.
  • A foreign body with an osteolytic halo is also suggestive of osteomyelitis.
  • C-reactive protein may be elevated.
  • A technetium bone scan may be diagnostic.
Figure 5-13
This neglected glass laceration resulted in a chronic infection of the
middle finger involving soft tissues, bone, and joint. The problem
could not be resolved with elevation, rest to the part, and
antibiotics. An amputation was performed with resolution of the
  • Drainage of the bone is indicated through drill holes in the cortex or a small window.
  • Necrotic bone (sequestrum) is removed if it is present.
  • The wound may be packed open, or the catheter irrigation method may be used.
    Figure 5-14 Human bite wound. This policeman sustained a penetrating tooth wound (arrow)
    to the MCP joint of the left middle finger, and shortly thereafter
    noted pain and swelling in the hand. Incision and drainage was
    required, along with hospitalization and intravenous antibiotics.

    Figure 5-15
    This cat owner sustained multiple scratches and bites to the dorsum of
    her hand that resulted in cellulitis, with swelling, redness, and pain.
    The infection developed overnight. The organism was Pasteurella multocida, and the condition quickly resolved with intravenous penicillin.
  • In some cases with severe bone and soft tissue involvement, amputation may be the best treatment (Figure 5-13).
Human Bite Wounds
These wounds are most often seen over the
metacarpophalangeal (MCP) joint and are due to a fist blow to an
opponent’s mouth. The history of injury is not often forthcoming due to
Clinical Appearance and Diagnosis
  • These wounds are often small and may initially appear very benign.
  • The opponent’s tooth penetrates the MCP joint space and inoculates this closed space with a variety of organisms, including Staphylococcus aureus, Streptococcus viridans, and Eikenella corrodens.
  • Later on there is swelling, redness, and increasing pain (Figure 5-14).
  • A radiograph of the injured hand may reveal a fracture or a piece of the opponent’s tooth in the joint.
  • These injuries should never be closed primarily.
  • They should be opened and debrided
    extensively. This includes excision of the initial wound margins and
    extension of the wound to allow proper exposure, inspection, and
    irrigation of the joint involved.
  • The wound is cultured prior to irrigation and debridement.
  • It is left open and the hand is dressed and splinted.
  • Appropriate antibiotics are started after cultures have been obtained.
  • Patients with bite wounds from humans may
    not always keep their follow-up appointments, and serious consideration
    should be given to hospitalization until the condition is resolved.
Animal Bites
Clinical Appearance and Diagnosis
  • Domestic animal bites or scratches may result in the rapid onset of cellulitis and lymphangitis.
  • The most commonly isolated organisms from dog and cat bites are Streptococcus viridans, Pasteurella multocida, S. aureus, and anaerobes.
  • Figure 5-15 represents a case of P. multocida (a small gram-negative coccus) cellulitis following a bite from the patient’s house cat.
  • The condition must be distinguished from cat scratch disease
    or fever, which is usually associated with small red lesions on the
    hand or wrist, lymphadenopathy, and a history of cat scratch. The
    organism is Rochalimaea henselae, a gram-negative bacillus.
  • A skin test may be confirmatory.
  • Penicillin is the antibiotic of choice for animal bites.
  • The treatment for cat scratch disease is said to be controversial because it is a self-limiting disease.
  • Ciprofloxacin has been used.
Suggested Reading
Bojsen-Moeller F, Schmidt L. The palmar aponeurosis and the central spaces of the hand. J Anat 1974;117:55–68.
R, Bednar MS. Infections. In: Trumble TE, ed. Hand surgery update-3,
hand, elbow & shoulder. Rosemont, IL: American Society for Surgery
of the Hand, 2003:433–457.
Jebson PJL, Louis DS, eds. Hand infections. Hand Clinics 1998;14(4):511–711.
RL. Acute infections. In: Green DP, Hotchkiss RN, Pederson WC, eds.
Green’s operative hand surgery. 4th Ed. New York: Churchhill
Livingstone, 1999:1033–1047.
A, Piraccini BM, Ghetti E, Colombo MD. Topical steroids versus systemic
antifungals in the treatment of chronic paronychia: an open, randomized
double-blind study and double dummy study. J Am Acad Dermatol
PE II. Hand infections. In: Canale ST, Dougherty K, Jones L, eds.
Campbell’s operative orthopedics. vol. IV, 10th Ed. Philadelphia:
Mosby, 2003:3809–3825.

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