Search Results for: tuberculosis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…rential diagnosis is lichen scrofulosorum, a manifestation of tuberculosis. 10.59.4A: Perivascular dermatitis, lichenoid, focal + 10.59.4B : Lymphocytes intermingled with epithelioid histiocytes = Lichen nitidus The findings at scanning magnification…

Histologic Diagnosis of Inflammatory Skin Diseases

Behçet’s Disease

…not comparable to any reaction seen usually in patients with tuberculosis, and he noted that even when he injected water alone just beneath the surface of the skin, the same phenomenon occurred. The lesion that developed at the site of injection was…

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

An inflammatory process, i.e., a panniculitis, marked by tender erythematous plaques, nodules, or tumors (or combinations thereof) that usually affect the anterior aspect of the legs and, less often, the arms, and induced by processes, in an organ o…

Differential Diagnosis in Dermatopathology

Discussions

…ulitis was thought, in former times, to be a manifestation of tuberculosis, i.e., a “tuberculid,” and was named erythema induratum. Nowadays, tuberculous cause is rare for skin diseases of any kind, including nodular vasculitis. That bein…

Differential Diagnosis in Dermatopathology

Discussions

…thought in times former to be a manifestation of disseminated tuberculosis because of extensive granulomatous and necrotizing inflammation reminiscent of infection by tubercle bacilli. In those days, the condition was termed “erythema induratum…

Histologic Diagnosis of Inflammatory Skin Diseases

Crohn’s disease

…hat are out of place, e.g., hair shafts lodged in the dermis. Tuberculosis is typified by tuberculoid granulomas punctuated often by caseous necrosis in the center of them. Sarcoidosis usually is not accompanied by dense infiltrates of lymphocytes ar…

Dermatology Practical & Conceptual

Radiation-induced basal cell carcinoma

…ritish. At that time, diseases such as malnutrition, cholera, tuberculosis, malaria, typhoid, leprosy and skin infections were common in this region. The American Presbyterian mission started its mission in Guilan in 1905, and the American Christian…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema nodosum

…those of infectious agents, e.g., streptococci, Mycobacteria tuberculosis, yersinia, histoplasma, coccidioides, and blastomyces; drugs, e.g., oral contraceptives; malignant neoplasms, e.g., lymphoma and leukemia; and whatever is responsible for sarc…

Differential Diagnosis in Dermatopathology

Nodular vasculitis vs. Subcutaneous polyarteritis nodosa

An inflammatory process, i.e., a panniculitis, marked by tender erythematous plaques, nodules, or tumors (or combinations thereof) that usually affect the anterior aspect of the legs and, less often, the arms, and induced by processes, in an organ o…