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Journal of Clinical Microbiology, October 2000, p. 3890-3891, Vol. 38, No. 10
Infectious Diseases
Unit,1 Section of
Pathology,2 and Division of
Endocrinology,3 Hospital das Clínicas de
Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre,
Rio Grande do Sul, Brazil
Received 19 May 2000/Returned for modification 10 June
2000/Accepted 1 July 2000
Fungal infection of the thyroid is rare. Most reported cases have
involved Aspergillus, Coccidioides, and
Candida species in the setting of disseminated disease.
Infection of the thyroid with Histoplasma capsulatum is
rarely reported as part of disseminated disease, even in geographic
areas where histoplasmosis is endemic. We report a 52-year-old woman
with a previous Hashimoto's disease and non-Hodgkin's lymphoma in
which a diffuse enlarged thyroid gland with a large nodule was the only
apparent locus of histoplasmosis. Fine-needle aspiration of the thyroid
was an important diagnostic tool in establishing the diagnosis of
histoplasmosis of the thyroid. The patient was initially treated with
itraconazole (400 mg/day) for the fungal infection and six cycles of
chemotherapy for the lymphoma. At a 6-month follow-up examination, the
patient was doing well on suppressive therapy of itraconazole (200 mg/day), with no symptoms and with regression of the thyroid nodule and cervical adenopathy.
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Histoplasmosis of the Thyroid
*
Corresponding author. Mailing address: Serviço de
Medicina Interna, Ramiro Barcelos 2350, 90035-003, Porto Alegre, RS,
Brazil. Fax: 55-51-3168676. E-mail:
Lgoldani{at}vortex.ufrgs.br.
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