نتایج جستجو برای: melanosis
تعداد نتایج: 875 فیلتر نتایج به سال:
PURPOSE To describe the clinical and histopathological features of a 61-year-old male with a history of eczema, asthma and schizophrenia on long-term chlorpromazine medication, who developed a unilateral limbal tumour in association with bilateral melanosis. PROCEDURES The patient was referred for a routine cataract assessment, and an incidental pink gelatinous limbal lesion was detected on t...
BACKGROUND The dermoscopic features of vulvar melanosis lesions are well known. To our knowledge, there are only a few case reports about dermoscopic features of pigmented genital lesions in male patients. OBJECTIVE To evaluate dermoscopic and clinical characteristics of benign lesions of the genital area in both males and females, and to assess the distinguishing dermoscopic criteria of vulv...
Gastrointestinal melanosis is observed most frequently in the colon it also can develop in the ileum, duodenum and esophagus very rarely. Melanosis ilei was thought that causative materials such as aluminum, magnesium, silicate, titanium and other compounds entered the body through the ingestion of agents. We experienced a case of melanosis in the terminal ileum that a 65-year-old female patien...
Clinical and histopathological features of four cases of multifocal amelanotic malignant melanoma of the conjunctiva in association with 'acquired melanosis sine pigmento' are reported. The absence ofconjunctival pigmentation in this extremely rare combination of lesions prevented early diagnosis and clinical monitoring. As a result orbital exenteration was required in three cases. This multice...
We present the case number 22 of prostatic melanosis in the literature reports. Prostatic melanosis is a very rare, benign lesion characterized by the presence of melanin both in the epithelium of the prostate gland as well as in the stromal dendritic cells, requiring no additional treatment. It constitutes the melanocytic lesions of the prostate together with blue nevus and melanoma.
Background: A rippled type of pigmentation is observed on the arms, forearms, and bony prominences, more commonly in women with a history of chronic rubbing. The terminology (commonly referred to as frictional melanosis) and its relation with cutaneous amyloidosis has been debated. Materials and Methods: Twenty one patients with pigmented skin lesions with manifestations suggestive of frictiona...
Melanosis refers to abnormal or excessive deposition of melanin pigment in the cells and/or tissue, which can be seen in any organ but commonly in skin and oral mucosa. Melanosis of the urinary bladder is an extremely rare benign condition and only a handful of cases been reported in the English literature before. In this article, we report a new case of urinary melanosis, describe the differen...
Bladder melanosis is a rare condition that has been incidentally discovered and reported fewer than 20 times. While independently benign, it has been reported with urothelial cell carcinoma and melanoma. The source of the melanocytes and cause of the melanosis is currently unknown; the presence of melanin pigment is pathognomonic for the disorder. Lesions appearing throughout the bladder are ch...
CLINICAL CASE A fair-skinned woman presented marked striate melanokeratosis in her left eye related to recurrent corneal erosion. The source of pigmentation was a conjunctival melanosis. The conjunctival melanosis responded to treatment with topical mitomycin, while the corneal pigmentation persisted. DISCUSSION Striate melanokeratosis is a condition described in dark-skinned patients who sho...
This paper aims to stimulate debate on the terminology, classification, grading and staging of conjunctival melanosis and melanoma. We audited our results with 76 invasive conjunctival melanomas. Staging according to the sixth edition of the Tumour Node Metastasis (TNM) system did not correlate well with tumour extent and outcome. Approximately 50% of invasive melanomas were associated with 'pr...
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