Search Results for: cryptococcosis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…umerable organisms with a round, gray nucleus and a clear capsule situated at the periphery of patchy zones of suppuration = Cryptococcosis The capsule of cryptococcosis is demonstrated better by PAS, as shown in the section pictured on the far…

Multiple confluent reddish nodules

Multiple confluent reddish nodules

…asts, occupying almost of the vacuoles inside histiocytes, but it shrinks during histological processing. In rare instances, cryptococcosis presents as a granulomatous and suppurative dermatitis in which fungal elements are small and do not stain…

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

…n the nasal cavity mainly. Other mucous membranes, such as lacrimal sac, uvula, vulva, vagina, and urethra, may be affected. Cryptococcosis, caused by Cryptococcus neoformans, is a systemic disease primarily, involving as it does the lungs and…

Histologic Diagnosis of Inflammatory Skin Diseases

Atypical mycobacterial infections

…to harbor hundreds of round spores in rhinosporidiosis also are distinctive, as are the lymphocyte-like spores that occur in cryptococcosis, surrounded as they are by a huge clear space known as a capsule. The hyphae and spores observed in candidal…

Histologic Diagnosis of Inflammatory Skin Diseases

Pneumocystis carinii infection

…urple nodules Differential diagnosis clinical Molluscum contagiosum affects the face mostly in the form of numerous papules. Cryptococcosis occurs especially on the head and neck of patients debilitated severely by AIDS, and in the form of papules…