nevus/カリウム

We describe a case of true blue nevus of the prostate associated with prostatic melanosis, occurring in a 66-year-old man, who underwent multiple echo-guided prostatic fine-needle biopsies for a suspect prostatic adenocarcinoma. The histological features observed in the bioptic samples were chronic

Dear Editor, Pitted keratolysis (PK), also known as keratosis plantaris sulcatum, is a non-inflammatory, bacterial, superficial cutaneous infection, characterized by many discrete superficial crateriform ''pits'' and erosions in the thickly keratinized skin of the weight-bearing regions of the soles

Almost all congenital vascular abnormalities affect the skin and are evident from birth or become so during the first few weeks of life. The two most common types of vascular birthmarks, hemangiomas and vascular malformations, may appear to be very similar but their course and treatment are

Facial venous vascular malformation (VVMs) can be cosmetically and functionally disabling. Few studies separate the treatment of these lesions from other vascular birthmarks, despite their unique physiology and natural history. This study retrospectively evaluates the treatment of 34 patients with

Since epithelioid blue nevus (EBN) was 1st described in patients with Carney complex, 49 sporadic EBN cases, including 4 congenital EBN, have been reported. We present a 2-month-old healthy female with more than 1000 congenital EBN on the entire body. Skin biopsy revealed many nevus nests located in

Tinea nigra usually presents as a brown to black macule on the palmar or plantar skin and is sometimes misdiagnosed as a malignant melanoma or as a junctional nevus, prompting unnecessary surgical procedures and anguish for the patient. Superficial scraping of the skin for microscopic inspection

The most common disorders of hypopigmentation in children are pityriasis alba, vitiligo, nevus depigmentosus, and tinea versicolor. Pityriasis alba usually presents as ill defined, scaly patches of hypomelanosis on the cheeks of children with an atopic diathesis. The face is also a favored site for