Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…ath the epidermis, but the cleft, i.e., an empty space, is an artifact consequent to shrinkage of tissue during fixation and processing, whereas the blister is an authentic expression morphologic of the disease itself, serum having accumulated at the…

Clinical Case Studies

Rhinophyma with Basal Cell Carcinoma

…cells in the dermis with peripheral palisading and retraction artifact were observed. The surrounding skin had hyperplasia of the sebaceous glands with elongation and dilation of the ducts. Irregular fibrosis and inflammatory cell infiltrate were see…

Dermatology Practical & Conceptual

When all you have is a dermatoscope—start looking at the nails

…l warts is often observed in lesions responding to treatment. Artifacts and foreign bodies of the nail unit Artificial changes of the nail unit occasionally arise and may be quite worrisome for patients. In the summer, moist leather of shoes may caus…

Differential Diagnosis in Dermatopathology

Discussions

…s tend to be superficial and often are compromised further by artifacts that result from indelicate handling of them by the surgeon (“crush” artifact) or by the technician. The lack of profound experience with specimens of alopecias taken…