Subcutaneous rhinosporidiosis masquerading as soft tissue tumor: diagnosed by fine-needle aspiration cytology

Rhinosporidiosis is a chronic granulomatous lesion caused by Rhinosporidium seeberi. It frequently involves nasopharynx and ocular region. Presenting as cutaneous and subcutaneous mass is extremely rare. This report describes the FNA cytology of rhinosporidiosis occurring as a soft tissue mass in th...

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Bibliographic Details
Published in:Indian journal of dermatology 2015-03, Vol.60 (2), p.215-215
Main Authors: Kishan Prasad, H L, Rao, Chandrika, Girisha, B S, Shetty, Vikram, Permi, Harish S, Jayakumar, Meera, Kiran, H S
Format: Article
Language:English
Subjects:
Care and treatment
Case studies
Causes of
Cellular biology
Cytology
Diagnosis
E-IJD Case Report
Fungi
Health aspects
Histopathology
Infectious skin diseases
mucocutaneous
Patient outcomes
rhinosporidiosis
sporangia
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Summary:Rhinosporidiosis is a chronic granulomatous lesion caused by Rhinosporidium seeberi. It frequently involves nasopharynx and ocular region. Presenting as cutaneous and subcutaneous mass is extremely rare. This report describes the FNA cytology of rhinosporidiosis occurring as a soft tissue mass in the right mid thigh region. We present a rare case of a 71-year-old male, who presented with multiple subcutaneous soft tissue mass lesions in the posteromedial aspect of mid right thigh region since 2 weeks. Local examination revealed multiple firm to hard mass with skin over the swelling was unremarkable. CT of the right thigh showed a heterogeneous lesion with infiltrative margins in the thigh. Clinically soft tissue sarcoma was considered. Diagnostic FNAC was performed showing numerous mature and immature sporangias with giant cell reaction. Hence, an excision biopsy confirmed the rhinosporidiosis. To conclude, the FNAC diagnosis of rhinosporidiosis is specific. Preoperative diagnosis is possible even in cases with unusual clinical presentations.
ISSN:0019-5154
1998-3611
DOI:10.4103/0019-5154.152606