Search Results for: comedo

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…extend in bloated form into the subcutaneous fat. In short, acne vulgaris may be papular, pustular, or cystic, and devoid of comedones. All lesions of acne vulgaris, whether papular, pustular, or cystic, are centered in infundibular epidermis, not…

Differential Diagnosis in Dermatopathology

Dilated pore vs. Pilar sheath acanthoma

Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the…

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

…200). [Copyright: ©2012 Panjwani et al.] Figure 3. (A) Varied morphology and patterns of the tumour cells: solid nests , (B) comedonecrosis and (C) cords with hyalinisation (H&E x10). (D) IHC for EMA showing characteristic vacuolated cytoplasm…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…yringocentric. Sometimes, papules had an atrophic center accompanied by tiny erosions or crusts. Also encountered often were comedo-like lesions. Keratotic papules and plaques could be discrete or, by way of confluence of them, form linear or…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…ll collections Deposits of mucin in infundibular epithelium often (epithelial mucinosis of “alopecia mucinosis”) Comedo-like plugs of infundibula sometimes Eosinophils in the interstitium of the reticular dermis, at times many of them…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…s Eccrine duct proliferation Eccrine-centered nevus Eccrine angiomatous hamartoma Syringofibroadenoma or acrosyringeal nevus Comedo nevus of the palm, linear eccrine nevus with comedone, porokeratotic eccrine ostial nevus or porokeratotic eccrine…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…tion an inflammatory process that all too often is the bane of adolescence. A correlate of the clich? is that the finding of comedones allows acne vulgaris to be distinguished clinically from other types of acne, such as “steroid acne”…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…oma. Am J Dermatopathol 2003;25(5):430-1,445. Stout AP. Fibrous xanthoma (sclerosing hemangioma type) of leg associated with comedo. Missouri Med 1947;44:594–596. Tamada S, Ackerman AB. Dermatofibroma with monster cells. Am J Dermatopathol…

“Tape dermatoscopy”: constructing a low-cost dermatoscope using a mobile phone, immersion fluid and transparent adhesive tape

“Tape dermatoscopy”: constructing a low-cost dermatoscope using a mobile phone, immersion fluid and transparent adhesive tape

…gapixel iPhone 4 mobile phone (Apple Inc., Cupertino, CA, USA) (Figure 2A). The image revealed the dermatoscopic features of comedo-like openings, milia-like cysts, gyri, sulci and homogeneous yellowish to brownish colors, suggestive of a seborrheic…

Histologic Diagnosis of Inflammatory Skin Diseases

Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the…