Histologic Diagnosis of Inflammatory Skin Diseases

Lupus vulgaris

…vents: tubercle bacilli, having been inhaled, cause pulmonary tuberculosis in one or both lungs; bacilli travel by blood vessels to the skin of the face where they are deposited in the dermis; once there, bacilli induce changes histopathologic that c…

Histologic Diagnosis of Inflammatory Skin Diseases

Atypical mycobacterial infections

…blastomycosis, and coccidioidomycosis, other bacteria such as tuberculosis, spirochetal bacteria such as syphilis, noninfectious inflammatory diseases such as halogenodermas, and by neoplastic diseases such as squamous-cell carcinoma. Findings histop…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…crete, associated with caseous necrosis, or peri-infundibular Tuberculosis and other mycobacterial infections show tuberculoid granulomas with caseous necrosis, but with no tendency to infundibulocentricity. Laboratory confirmation None exists. Caus…

Dermatology Practical & Conceptual

Study By Disease

…niculitis of lupus erythematosus) (Quiz #654) Lupus vulgaris (tuberculosis) (Quiz #136) Lupus vulgaris (tuberculosis) (Quiz #813) Lymphangioma, superficial (Quiz #428) Lymphoma, anaplastic large-cell type (Quiz #103) Lymphoma, B-cell type, intravascu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atrophoderma?

…e of various diseases, such as syphilis, lupus erythematosus, tuberculosis, sarcoidosis, and leprosy. The macular atrophy then represents the atrophic stage of the preceding disease.” Naik NS, Nousari CH, Heilman ER, et al. Degenerative diseas…

Dermatology Practical & Conceptual

Enlarging plaque on the face with enlarged supraorbital nerve

…t with perineural distribution confirmed leprosy and excluded tuberculosis and the other differential diagnosis. According to Ridley and Jopling the patient was classified as TT. The negative Fite-Faraco stain is not surprising because in more than 5…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

…hydrazide (INH), pyrazinamide, and ethambutol, for abdominal tuberculosis.” Sharma PK, Gautam RK, Bhardwaj M, Kar HK.Isonicotinic acid hydrazide induced anagen effluvium and associated lichenoid eruption. J Dermatol 2001;28(12):737-41. &#822…