Search Results for: tuberculosis

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

…s agents such as protozoa (e.g., Leishmania), conventional bacteria (e.g., Staphylococcus) mycobacteria (e.g., Mycobacterium tuberculosis), and algae (e.g., Prototheca). Correlation clinicopathologic Papules and nodules result from dense nodular or…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…, alopecia areata; 7, dermatitis herpetiformis; 8, scleroderma; 9, vitiligo. Group 3: Those considered in some relation with tuberculosis: 1, erythema induratum; 2, lupus erythematosus; 3, lupus vulgaris; 4, lichen scrofulosorum; 5, various…

Differential Diagnosis in Dermatopathology

Discussions

…rculid.” Rosacea-like tuberculid, lupus miliaris disseminatus faciei, and acnitis were wrongly presumed to be forms of tuberculosis. Today, those conditions are recognized to be variants of rosacea and to be unrelated to tuberculosis. The…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Wegener’s Granulomatosis?

…ent to blood vessels in the kidneys, upper respiratory tract, and lungs. To Wegener, the pattern was similar to that seen in tuberculosis and syphilis. He speculated that the granulomatous process began in passages of the upper airway, where chronic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…psoriasis-like plaques. While the etiology is still unknown, an association with a variety of diseases including hepatitis, tuberculosis, glomerulonephritis, and lymphoproliferative diseases has been reported. We present a new case which may have…

Histologic Diagnosis of Inflammatory Skin Diseases

Leishmaniasis

…ifferential diagnosis clinical Acute cutaneous leishmaniasis Deep fungal infections, e.g., sporotrichosis and blastomycosis, tuberculosis cutis, and infection by atypical mycobacteria may be indistinguishable Chronic cutaneous leishmaniasis Lupus…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema nodosum leprosum

…):1-142. Arora SK, Kumar B, Sehgal S. Development of a polymerase chain reaction dot-blotting system for detecting cutaneous tuberculosis. Br J Dermatol 2000;142(1):72-76. Coruh G, McDougall AC. Untreated lepromatous leprosy: histopathological…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…suppurative granulomatous stage of that distinctive condition. Erythema induratum (Bazin) is nodular vasculitis in which M. tuberculosis is thought to be the cause. The term should be reserved for those few examples of nodular vasculitis that have…