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Parallel-ridge pattern on dermatoscopy: observation in a case of purpura traumatica pedis
Full text linkDermatologists are often referred urgent cases of acral hematoma by general practitioners and sports medicine specialists for the purpose of excluding warts, nevi or melanoma. Acral hematoma is often a cause of anxiety to patients and their families. Here, we report a case of purpura traumatica pedis, referred to us as suspected plantar melanoma because of the finding of parallel-ridge pattern on dermatoscopic examination. To avoid unnecessary and costly procedures, doctors should inquire about any episode of physical exertion before the onset of purpura, recording the lesion's anatomic site (e.g., unilateral vs. bilateral involvement) and clinical features
A case of primitive non-neural granular cell tumor presenting as a single painless bleeding nodule.
Full text linkPrimitive non-neural granular cell tumor is a rare tumor of uncertain lineage that clinically presents as a solitary painless nodule most typically on the extremity or trunk of an adult. We report the case of a 20-year-old man with a small reddish papule on the abdomen, measuring about 2 x 3 mm, surrounded by a faint erythematous halo. Dermoscopy examination shows diffuse red color and weak whitish striae. However, only histological and immunohistochemical evaluation allowed us to perform the correct diagnosis
Skin biopsy leading to diagnosis of diffuse intravascular B-cell lymphoma presenting as a fever of unknown origin
No full textA controversial pigmented lesion located in the left subscapular region: a case of "collision" tumor.
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