Drawing from epidemiological evidence indicating that the majority of individuals with latent TB infection do not progress to active TB but remain at risk, our discussion framework centers on the host ...

Histopathologic examination shows numerous granulomas of epithelioid histiocytes surrounded by a dense infiltrate of lymphocytes (hematoxylin and eosin staining, x5 original magnification).

The next day the patient suffered a hypoxic arrest and expired. Autopsy was not performed. The lymph node excision biopsy showed lymph node tissue with diffuse effacement of the nodal architecture by ...

Histopathology of the endobronchial biopsy showed chronic inflammatory cell infiltrate, while endobronchial ultrasound-guided fine needle aspiration cytology from mediastinal lymph nodes showed ...

Etiology: The cause of granuloma annulare is unknown. Granuloma annulare can occur at any age, but is seen predominantly in children and young adults. It occurs more frequently in females than males.

The biopsy showed epithelioid foreign body granulomas. Patch testing yielded no evidence of a contact allergy to color pigments. Chest X-ray revealed bilateral hilar lymphadenopathy. Interleukin-2 ...

Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback. Esophagitis is a frequent, but at the ...

Although pulmonary tuberculosis is a common infectious disease, especially in low-and middle-income countries, female genital tract tuberculosis (TB) is rarely reported. Female genital TB might be ...

Small focal collections of epithelioid cells, lymphocytes and giant cells without caseation, referred to as pseudotubercles, were not seen in any of 29 cases of chronic ulcerative colitis, whereas ...

Paracoccidioidomycosis (PCM) is a fungal disease endemic to Latin America. PCM rarely involves the male genital tract and generally occurs in the disseminated form of the disease, in which other ...