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Deep mycoses.

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Adult↗

Fine-needle aspiration biopsy of salivary gland mycoses.

This report details the fine-needle aspiration biopsy (FNAB) cytomorphologic features of two cases of salivary gland mycosis. Both patients had acquired immunodeficiency syndrome (AIDS) and presented with parotid gland masses. The first patient had Histoplasmosis with secondary infection by Candida. Cytopathologically, the FNAB smears showed classic features of a deep-seated mycosis characterized by necrosis and scattered fungal forms. The second patient had a colonizing sialadenitis caused by either Asperigillus or Fusarium. Cytopathologically, the findings were similar to those seen in aspergillomas of the lung or paranasal sinuses with numerous hyphal forms and an absence of an inflammatory response. Because mycotic disease can induce a wide spectrum of pathogenic change, other benign or malignant, solid or cystic lesions enter into the differential diagnosis.

AIDS-Related Opportunistic Infections↗

Mycoses of the breast: diagnosis by fine-needle aspiration.

Fungal infections of the breast are unusual and may clinically mimic carcinoma. When studied by fine-needle aspiration (FNA), such masses may yield necrosis, granulomatous inflammation, reactive histiocytes, and atypical epithelial cells. Cohesive groups of atypical epithelial cells featured nuclear enlargement and overlapping, as well as prominent nucleoli. The organisms may be widely scattered, so that careful evaluation was required for their identification. In concert with provocative clinical findings, these features may lead to an erroneous diagnosis of malignancy. We describe three women with mycotic masses of the breast initially studied by FNA. The first patient presented at age 31 with a large, firm breast mass, chest wall extension, and radiographic evidence of vertebral bone involvement. FNA was requested to confirm the clinical diagnosis of advanced breast carcinoma. In addition to the atypia described above, the smears showed yeast forms indicative of blastomycosis surrounded by neutrophils. She remains well, following antifungal treatment. The second case of Blastomycosis was diagnosed by FNA of a breast mass in a 64-yr-old woman, who also responded to treatment. The third patient's preoperative needle aspiration showed granulomas, but no organisms were identified, even with special stains; silver stains of surgically excised tissue showed histoplasmosis.

Adult↗