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Sporotrichosis

Bianca K. Chun, MD Reviewed 06/2021
 


BASICS

DESCRIPTION

  • Subacute or chronic fungal infection due to Sporothrix schenckii

  • Typically presents as pustules or papules that progress to form a subcutaneous nodules with ulceration and purulent dr...

DIAGNOSIS

HISTORY

  • Typical exposure: traumatic inoculation of fungus into the skin leading to a nodular lesion that ulcerates and leads to ascending lymphangitis

  • Zoonotic transmission (animal to human) f...

TREATMENT

GENERAL MEASURES

  • Local heat helps cutaneous/lymphocutaneous lesions. Apply 42–43°C daily for weeks; 72% cure rate (2)[B]

  • Keep cutaneous lesions clean.

  • Repeated drainage of infected joints

MEDICATION

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Ensure compliance with long-term therapy (continue potassium iodide 1 to 2 months after lesions heal).

  • Monitor hepatic enzymes periodically in pa...

REFERENCES

1
Barros  MB, de Almeida Paes  R, Schubach  AO. Sporothrix schenckii and sporotrichosis. Clin Microbiol Rev.  2011;24(4):633–654. [View ...

ADDITIONAL READING

  • Arenas  R, Sánchez-Cardenas  CD, Ramirez-Hobak  L, et al. Sporotrichosis: from KOH to molecular biology. J Fungi (Basel).  2018;4(2):E62. [View Abstr...

CODES

ICD10

  • B42.9 Sporotrichosis, unspecified

  • B42.1 Lymphocutaneous sporotrichosis

  • B42.7 Disseminated sporotrichosis

  • B42.89 Other forms of sporotrichosis

  • B42.82 Sporotrichosis arthritis

  • B42.0 Pulmonary spor...

CLINICAL PEARLS

  • Consider cutaneous/lymphocutaneous sporotrichosis in individuals with a history of contact with soil who present with characteristic cutaneous lesions.

  • Disseminated sporotrichosis may d...

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