Congenital diffuse Melanosis is one of the rarest clinical manifestations of hereditary universal Melanosis and only few cases have been reported all over the world. The presented case is a 54-year-old man who presented to us complaining of erythematous annular lesions on his face and neck since 8 months ago. Diffuse pigmentation of his skin took our attention. According to the patient, d...

Universal acquired melanosis is a rare cause of diffuse hyperpigmentation of skin and mucosa during childhood. There are only few reported case of this scarce syndrome in medical literature. We report the first case of universal acquires melanosis from Iran in a 4-year-old girl whose skin becomes darker after 2-month of age.

Neurocutaneous melanosis is a rare congenital disorder which presents with congenital cutaneous nevi and involvement of the central nervous system. We herein present a rare case of a 2-year-old girl who had central nervous system melanosis and giant congenital melanocytic nevi. Magnetic resonance imaging, especially precontrast T1 images play a crucial role in making the diagnosis combined with...

Neurocutaneous melanosis (NCM) is a rare neuroectodermal dysplasia characterized by large or multiple cutaneous congenital pigmented nevi and benign or malignant melanocytic tumors of the leptomeninges. Although the MR manifestations of this disease have been reported in a small series of cases, the usefulness of fluid-attenuated inversion recovery (FLAIR) MR findings has not been documented. W...

BACKGROUND The progression from a benign pigmented lesion on the skin to cutaneous melanoma is better understood, and it could be presumed that a similar progression occurs with mucosal lesions. However, to our knowledge, there has never been documentation of melanosis transforming into melanoma over time. OBJECTIVE To describe a transformation of a mucosal melanosis into melanoma. METHODS ...

Neurocutaneous melanosis is a rare neurocutaneous syndrome defi ned by the presence of multiple and /or giant congenital cutaneous nevi and melanocytic deposits in the central nervous system with the infi ltration of leptomeninges. The major medical concern with giant congenital cutaneous nevi is high risk of developing cutaneous melanoma, leptomeningeal melanoma, and neurocutaneous melanosis. ...

CS: Cowden syndrome PTEN: phosphatase and tensin homolog INTRODUCTION Iris mammillation is an uncommon congenital anomaly of the eye that is rarely reported in the literature; initial reports describe iris mammillations using different terminology, such as bilateral iris melanosis, dotted Swiss iris, and bilateral diffuse iris nodular nevi. Microscopic examination finds focal nesting of spindle...

Abstract Background Melanosis of the bladder is a rare condition characterized by multifocal, diffuse melanin pigmentation urothelial mucosa or lamina propria without any proliferation melanocytes. Less than 25 cases have been reported so far which only four patients had concurrent carcinoma. Case presentation We are reporting case melanosis in 58-year-old female associated with pTaG1 transitio...

Introduction. The major medical concern with giant congenital melanocytic nevi CMN is high risk of developing cutaneous melanoma, leptomeningeal melanoma, and neurocutaneous melanocytosis. Case Report. A 30-year-old woman with a giant congenital melanocytic nevus covering nearly the entire right thoracodorsal region and multiple disseminated melanocytic nevi presented with neurological symptoms...

Sir, We read with great interest the case report by Ahuja et al of a child, 6 weeks old, with multiple giant congenital melanocytic nevi and central nervous system melanosis. Neurocutaneous melanosis has been reported to manifest itself most commonly within the first two years of life and children with this entity have been born as still births or have been reported at as early as one month of ...