Search Results for: peri-infundibulitis

Differential Diagnosis in Dermatopathology

Discussions

…at scanning magnification, the section of skin seems to be normal. A hive developed fully consists of a slightly more dense perivascular and interstitial infiltrate of lymphocytes, neutrophils, and eosinophils around venules and neutrophils and…

Ocular Inflammation

Ocular Inflammation

…n the middle of the face and are accompanied by telangiectases. On sites other than the midface like forehead, perioral, and periocular regions, however, erythematous papules and papulopustules may be unaccompanied by telangiectases. In contrast to…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ar epidermis 8. Increased number of mitotic figures in infundibular epidermis 9. No evidence of typical lichen planus at the periphery of the lesion 9. Typical changes of lichen planus sometimes present at the periphery of the lesion 10. If…

Differential Diagnosis in Dermatopathology

Discussions

…s of discoid lupus erythematosus and of lichen planus share several findings histopathologic, among them being perivascular, peri-infundibular, and perifollicular infiltrates of lymphocytes, vacuolar alteration at the junction between infundibula…

Differential Diagnosis in Dermatopathology

Discussions

…dings by conventional microscopy of other expressions morphologic of lichen planus, e.g., the atrophic, the bullous, and the peri-infundibular/perifollicular (lichen planopilaris), each of those being unaffected by rubbing. All of them, however, are…

Differential Diagnosis in Dermatopathology

Mucha-Habermann disease vs. Secondary syphilis

…begins as a suppurative folliculitis manifested clinically as pustules. It rapidly extends to become ulcers marked at their periphery by boggy tissue. The skin disease is associated commonly with inflammatory bowel disease, especially ulcerative…

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

…th longitudinal melanonychia [16,17], the others all presented with structureless subungual pigmentation (one had associated periungal pigmentation [18]), as might be expected in a dermal pigmented melanocytic proliferation. This diagnosis of blue…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…f lymphocytes often moderately dense or dense 5. Infiltrate of lymphocytes usually sparse 6. Infiltrate of lymphocytes often peri-infundibular and perifollicular 6. Infiltrate of lymphocytes has no predilection for infundibulofollicular units 7….

Differential Diagnosis in Dermatopathology

Discussions

…tial diagnosis histopathologic of lichen striatus also includes secondary syphilis. Lichen striatus often is associated with peri-infundibilitis and perifolliculitis, eccrine adenitis, and edema of the papillary dermis, three findings that are not…