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A Mongolian spot, also known as slate grey nevus or congenital dermal melanocytosis, is a benign, flat, congenital birthmark with wavy borders and an irregular shape. In 1883, it was described and named after Mongolians by Erwin Bälz, a German anthropologist based in Japan, who erroneously believed it to be most prevalent among his Mongolian patients.
The tumour stage typically shows large irregular lumps. Tumours can develop from plaques or normal skin in any region of the body, including the face and head regions. [5] The symptoms displayed are progressive, with early stages consisting of lesions presented as scaly patches.
H&E stain. Walthard cell rests , sometimes called Walthard cell nests , are a benign cluster of epithelial cells most commonly found in the connective tissue of the fallopian tubes , but also seen in the mesovarium , mesosalpinx and ovarian hilus .
Lichen planus may be categorized as affecting mucosal or cutaneous surfaces.. Cutaneous forms are those affecting the skin, scalp, and nails. [10] [11] [12]Mucosal forms are those affecting the lining of the gastrointestinal tract (mouth, pharynx, esophagus, stomach, anus), larynx, and other mucosal surfaces including the genitals, peritoneum, ears, nose, bladder and conjunctiva of the eyes.
Teddi Mellencamp is using her own health journey to create awareness for World Cancer Day.. On Tuesday, Feb. 4, the Real Housewives of Beverly Hills alum, 43, re-posted a graphic photo of her ...
Port-wine stain visible on the head of Mikhail Gorbachev, one of the most famous individuals with such a birthmark Port-wine stains, also known as nevus flammeus and sometimes mistaken for strawberry marks, are present at birth and range from a pale pink in color, to a deep wine-red.
In this case, the central portion is a complex papule, and the periphery is macular, irregular, indistinct and slightly pink. Characteristic rete ridge bridging, shouldering, and lamellar fibrosis. H&E stain. Blue nevus: It is blue in color as its melanocytes are very deep in the skin. Characteristic pigmented melanocytes between bundles of ...
A dysplastic nevus or atypical mole is a nevus (mole) whose appearance is different from that of common moles. In 1992, the NIH recommended that the term "dysplastic nevus" be avoided in favor of the term "atypical mole". [1]