Search Results for: morpheiform basal-cell carcinoma

Histologic Diagnosis of Inflammatory Skin Diseases

Melanocytes

…h a conventional microscope, melanocytes appear as “clear cells” in and immediately beneath the row of epidermal basal cells, that is, the dermoepidermal junction (Fig. 1.62). The space characteristic of melanocytes, and for which they…

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

…s are found within the upper dermis (arrowhead). (F) Histology showed epidermal hyperplasia characterized by thin strands of basaloid cells and basal hyperpigmentation without increase of melanocytes. In the superficial dermis, few melanophages and…

Differential Diagnosis in Dermatopathology

Discussions

…n the chest or upper part of an arm of a middle-aged person, usually a man. Often it is misinterpreted clinically as a basalcell carcinoma. Close inspection reveals a slightly dull-surfaced, violaceous, keratotic papule. The keratotic component…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

A disease manifested chiefly in the skin by vesicles and bullae that appear on sites of trauma, especially the face and dorsa of the hands, often in conjunction with macular hyperpigmentation and hypertrichosis of a face and sclerodermoid changes…

“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

…considerations. Observations: Images of seven lesions (seborrheic keratosis, melanoma in-situ, blue and dermal nevus, basal cell carcinoma and two squamous cell carcinomas) were taken. A novel technique of “tape dermatoscopy” involved: Using…

Histologic Diagnosis of Inflammatory Skin Diseases

Pityriasis rubra pilaris

…to that in the epidermis Late All the findings in lesions developed fully, except mitotic figures are not present above the basal layer, and there is no pallor of the epidermis Correlation clinicopathologic Infundibulocentric papules result from…

Linear atrophoderma of Moulin: a case report and review of the literature

Linear atrophoderma of Moulin: a case report and review of the literature

…gure 2. Normal epidermis and broad dermis. [Copyright: ©2013 Patsatsi et al.] Figure 3. Normal epidermis with hyperpigmented basal layer. [Copyright: ©2013 Patsatsi et al.] Figure 4. Thickened collagen fibers in the dermis. [Copyright: ©2013…

Histologic Diagnosis of Inflammatory Skin Diseases

Blood Vessels

…lff, M.D.) All arterioles, capillaries, and venules in the dermis are encircled by flat adventitial cells termed “veil cells.” Those cells, whose exact nature is still shrouded, are situated entirely outside the wall of a vessel and…