Search Results for: peri-infundibulitis

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

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

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…

Papillary adenocarcinoma in situ of the skin: report of four cases

Papillary adenocarcinoma in situ of the skin: report of four cases

…ed that a constant feature is the presence of a recognizable myoepithelial cell layer around the glands and sometimes at the peripheral of the cystic-papillary areas. Invasion into the stroma is sometimes seen and no myoepithelial cells are present…

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

…pergranulosis in repeatable manner in lichen planus, a thickened epidermal basement membrane in discoid lupus erythematosus, peri-infundibular fibrosis in lichen planus, and melanophages situated beneath a thickened basement membrane in discoid…

Regarding a dermatoscopic pattern for infiltrating basal cell carcinoma

Regarding a dermatoscopic pattern for infiltrating basal cell carcinoma

…trative basal cell carcinoma (BCC), defined as: a geometric star-shaped pattern, extending outwards from the circumferential peripheral edge of the tumor, and identified by white lines, vessels or uneven skin surface morphology. They found this clue…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…therwise abnormal 8. Thrombi in a few capillaries and venules sometimes; 8. No signs of vasculitis in the form of thrombi 9. Peri-infundibular accentuation of the dermal infiltrate in the center of a lesion sometimes 9. No perifollicular orientation…

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…