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Year : 1993  |  Volume : 59  |  Issue : 3  |  Page : 125-126

Chromoblastomycosis resembling sporotrichosis

Correspondence Address:
Pradeep S Nair

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A 21-year old man presented with multiple noduloulcerative lesions in a linear form resembling sporotrichosis. Histopathology showed the fungal bodies suggestive of chromoblastomycosis and the patient responded to potassium iodide therapy.

Keywords: Chromoblastomycosis, Sporotrichosis

How to cite this article:
Nair PS, Sarojini P A. Chromoblastomycosis resembling sporotrichosis. Indian J Dermatol Venereol Leprol 1993;59:125-6

How to cite this URL:
Nair PS, Sarojini P A. Chromoblastomycosis resembling sporotrichosis. Indian J Dermatol Venereol Leprol [serial online] 1993 [cited 2021 Jan 22];59:125-6. Available from:

  Introduction Top

Chromoblastomycosis can sometimes spread through superficial lymphatics. We report a case of chromoblastomycosis that clinically resembled sportrichosis.

  Case Report Top

A 21-year-old man working in Punjab presented with multiple discrete smooth soft nodules distributed in a linear form on the dorsum of the right hand and forearm of 1 year duration [Figure - 1]. There was no history of trauma. The initial lesions started on the radial aspect of the right index finger. Successive nodules appeared in a linear form one after the other within an interval of 1 to 2.5 months. Some nodules showed central crusting. The regional lymph nodes were not enlarged and there were no constitutional symptoms.

Slit skin smear did not show any fungal elements or Leishmann bodies. Fungal culture did not yield any growth.

Biopsy of the lesion showed irregular acanthosis of the epidermis. Dermis showed dense infiltrate of lymphocytes and a few epitheloid cells. Brownish thick-walled spherical bodies with a split-pea appearance were seen in the infiltrate suggesting chromoblastomycosis.

The patient was treated with a concentrated solution of potassium iodide in a dose of 3 drops thrice daily to start with and increased by one drop daily. After 2 weeks the patient showed dramatic response with decrease in the size of the lesions. After 4 weeks all lesions flattened and healed with slight atrophic scarring.

  Comments Top

Multiple discrete nodules starting on the finger and appearing on the proximal part successively in a linear form responding promptly to potassium iodide is suggestive of primary cutaneous sporotrichosis. We could not demonstrate the organism of Sporothrix schenckii and the demonstration of brownish spherical bodies with split-pea appearance in histopathology was in favour of a diagnosis of chromoblastomycosis.

Potassium iodide is also effective in chromoblastomycosis. [1] Chromoblastomycosis can spread through superficial lymphatics and cause such lesions. [2] Our case could be due to this type of spread through lymphatics.

  References Top

1.Sivakrishnaiah Naidu P, et al. Chromoblastomycosis. Ind J Dermatol Venereol Leprol, 1972; 38 : 78-82.  Back to cited text no. 1    
2.Lever WF, Lever GS. Histopathology of the Skin, 7th edn. Philadelphia : JB Lippinott, 1990; 376-8.  Back to cited text no. 2    


[Figure - 1]

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