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Mycopathologia. 2014 Jun;177(5-6):325-9. doi: 10.1007/s11046-014-9739-3. Epub 2014 Apr 10.

Paracoccidioidomycosis mimicking squamous cell carcinoma on the dorsum of the tongue and review of published literature.

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1
Department of Clinic and Surgery, School of Dentistry, Federal University of Alfenas, Rua Gabriel Monteiro da Silva, 700, Alfenas, MG, CEP 37130-000, Brazil, renatopedreira@hotmail.com.

Abstract

INTRODUCTION:

Paracoccidioidomycosis is a disease that is endemic to southern and southeastern Brazil, caused by the fungus Paracoccidioides brasiliensis. The most common clinical oral manifestation is the presence of multiple granulomatous ulcers with hemorrhagic dots, located mainly on the lips, palate, and buccal mucosa. However, the disease can manifest atypically as a single ulcer, mimicking oral squamous cell carcinoma (SCC) or tuberculosis.

CASE REPORT:

A 65-year-old male patient presented with a complaint of a single ulcerated lesion on the dorsum of the tongue; the lesion had evolved over 6 months. The diagnostic hypotheses were SCC and oral manifestation of tuberculosis. An incisional biopsy was performed, and histopathological analysis of the specimen revealed pseudoepitheliomatous hyperplasia, a granulomatous structure of epithelioid histiocytes, multinucleated giant cells, and lymphocytes in the connective tissue. Grocott staining confirmed the presence of the fungus in the lesion, and a diagnosis was made of paracoccidioidomycosis. The patient was treated with 200 mg/day of itraconazole for 12 months and now shows no signs or symptoms of recurrence of the disease.

CONCLUSION:

Correct diagnosis is essential for a successful therapeutic approach and resolution of the lesion.

PMID:
24718811
DOI:
10.1007/s11046-014-9739-3
[Indexed for MEDLINE]
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