Search Results for: blue nevus of jadassohn-tieche

Assessment of the colors of melanin pigment in acral compound nevus by using a novel dermoscopic technique with surgical light illumination and saturation analysis

Assessment of the colors of melanin pigment in acral compound nevus by using a novel dermoscopic technique with surgical light illumination and saturation analysis

…are related to the presence of melanophages and/or pigmented melanocytes within the superficial dermis [3]. Accordingly, the blue parallel ridge pattern (blue ridge sign) is defined as a benign variant of the parallel ridge pattern, due to melanin…

Comparison of dermatoscopic images of acral lentiginous melanoma and acral melanocytic nevus occurring on body weight-bearing areas

Comparison of dermatoscopic images of acral lentiginous melanoma and acral melanocytic nevus occurring on body weight-bearing areas

…ribution of colors with an exception of the case 3 nevi, which showed negative FP and was confirmed histopathologically as a nevus. All the ALM cases showed irregular distribution of colors. All the nevus showed regular distribution of fibrils,…

Spitz nevus on the sole of a foot presenting with transepidermal elimination

Spitz nevus on the sole of a foot presenting with transepidermal elimination

…Upward epidermal spread of a single nevus cell or small groups of cells was absent. From these findings a diagnosis of Spitz nevus was made. Transepidermal elimination of nevus cell nests was seen and there were small groups of degenerated…

Clinical Case Studies

Nevus of Ota

…ciated change in skin texture. No scleral pigment was noted. Figure 1. Nevus of Ota at patient’s initial presentation. Nevus of Ota was suspected because of the history and morphology. Nevus of Ota is a dermal melanocytic disorder that…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Desmoplastic Spitz’s nevus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

Differential Diagnosis in Dermatopathology

Spitz’s nevus, compound type vs. Melanoma

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

Complete regression of a melanocytic nevus after epilation with diode laser therapy

Complete regression of a melanocytic nevus after epilation with diode laser therapy

…tset and, therefore, inadequately treated with lasers, while others could have been nevi that displayed changes of recurrent nevus (pseudomelanoma) after laser therapy that were ultimately misconstrued as transformation of a nevus in melanoma [1,5]….

Multiple agminated lesions with homogeneous blue pattern on dermoscopy

Multiple agminated lesions with homogeneous blue pattern on dermoscopy

…mage resembles a bunch of grapes (bunch of grapes sign). The main differential diagnoses of the homogeneous blue pattern are blue nevus and melanoma metastasis, although in recent years other lesions, mostly adnexal, are being described with this…

Differential Diagnosis in Dermatopathology

Nevus verrucosus vs. Acanthosis nigricans

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…