Pigmented Bowens disease mimicking malignant Melanoma: A case report

A large pigmented lesion mimicking malignant melanoma.

An 88-year-old woman was admitted with a huge bilateral pulmonary embolism and acute renal failure. On physical examination, a well-defined irregularly pigmented plaque 20 · 40 mm with black, brown and pink hues and an irregular border was noticed over the umbilicus (Fig. 1). A clinical diagnosis of malignant melanoma (MM) was suggested, and surgical excision planned. However, the patient’s pro...

Primary duodenal malignant melanoma: A case report

Background: Melanoma is a neoplasm derived commonly from melanocytic cells of skin. Although coetaneous presentation of malignant melanoma is easily recognizable, the presentation of melanoma in other organs is so confusing. In particular, when it metastasizes to other organs, many bizarre figures and unusual organs may be involved. In this report, we present a case of primary duodenal malignan...

Malignant cerebral melanoma complicating giant pigmented naevus: a case report.

Dermoscopic Features of Pigmented Bowen's Disease in a Japanese Female Mimicking Malignant Melanoma

Various structures have been reported for dermoscopic features of pigmented Bowen's disease (BD), which could be a mimic of various pigmented skin lesions. A 79-year-old Japanese woman presented with a 3-year history of brown-black macule on her right upper arm without symptom. Dermoscopic examination demonstrated irregular flossy streaks, irregular brown dots/globules, blue-whitish regression ...

Malignant Melanoma: a Case Report

A well known but often neglected fact is that malignant melanoma frequently originates ih a pigmented nevus that has remained quiescent for many years. The urgent need for eradication of such lesions before malignant transformation occurs cannot be stressed too often, In addition to emphasizing the validity of the above statements, the case here reported presents features which are somewhat uni...

Dermoscopy of Pigmented Bowen's Disease Mimicking Early Superficial Spreading Melanoma

A 89-year-old Japanese woman presented at our clinic because of a several months' history of an asymptomatic gradually enlarging pigmented skin lesion on the dorsum of the left foot. Physical examination revealed a single hyperpigmented oval macule of 5 mm with a rough surface. The color of the lesion was dark brown to light brown. Dermoscopic examination demonstrated atypical pigment network w...