Search Results for: artifact

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…isters are situated at the same place, namely, immediately beneath 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…

Clinical Case Studies

Rhinophyma with Basal Cell Carcinoma

…oma in a setting of rhinophyma. Nodular aggregates of basaloid 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…

Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

…Japan). Tenfold magnification was used. Alcohol gel was used for immersion and precautions were taken to reduce compression artifact. Lesions were excluded if the image quality was unsatisfactory. Clinical and dermoscopic images were reviewed…

Epidemiological trends in skin cancer

Epidemiological trends in skin cancer

…rs, and nodular melanomas. These observations coupled together “suggest that the melanoma epidemic is real and not simply an artifact of increased detection pressure of earlier-stage T1/T2 lesions” [25]. What Does the Future Hold Concerning Melanoma…

Dermoscopy and reflectance confocal microscopy in pedunculated basal cell carcinoma

Dermoscopy and reflectance confocal microscopy in pedunculated basal cell carcinoma

…y). A pedunculated nodular BCC was diagnosed with the large basaloid tumor islands with peripheral palisading and retraction artifact and dilated vascular spaces on histopathology (Figure 2). Figure 2. (a) Bright tumor island (red arrows). (b)…

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

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

…iteria [14,15]. A decrease of the capillary density within viral 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…

Differential Diagnosis in Dermatopathology

Discussions

…actory so often. Biopsy specimens of the scalp and of nail units 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….