melanoma

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Related to amelanotic melanoma: Nodular melanoma

mel·a·no·ma

 (mĕl′ə-nō′mə)
n. pl. mel·a·no·mas or mel·a·no·ma·ta (-mə-tə)
A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.

melanoma

(ˌmɛləˈnəʊmə)
n, pl -mas or -mata (-mətə)
(Pathology) pathol a malignant tumour composed of melanocytes, occurring esp in the skin, often as a result of excessive exposure to sunlight

mel•a•no•ma

(ˌmɛl əˈnoʊ mə)

n., pl. -mas, -ma•ta (-mə tə)
any of several types of skin tumors characterized by the malignant growth of melanocytes.
[1825–35]

mel·a·no·ma

(mĕl′ə-nō′mə)
A type of skin cancer that arises from the cells that produce melanin, usually appearing as a dark-colored spot or mole.

melanoma

any malignant growth, especially in the skin, that is composed of melanin-producing cells.
See also: Cancer
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.melanoma - any of several malignant neoplasms (usually of the skin) consisting of melanocytesmelanoma - any of several malignant neoplasms (usually of the skin) consisting of melanocytes
skin cancer - a malignant neoplasm of the skin
Translations
melanom
melanoom
melanooma
melanome
melanoma
メラノーマ
melanoma
melanoom
melanom

melanoma

[ˌmeləˈnəʊmə] N (melanomas or melanomata (pl)) [ˌmeləˈnəʊmətə]melanoma m

melanoma

[ˌmɛləˈnəʊmə] nmélanome m

melanoma

n (Med) → Melanom nt

mel·a·no·ma

n. melanoma, tumor maligno compuesto de melanocitos.

melanoma

n melanoma m
References in periodicals archive ?
The tumour cells were negative for HMB-45 stain, thus ruling out the possibility of amelanotic melanoma.
Amelanotic melanoma misdiagnosed as a diabetic foot ulcer.
Nodular BCC may mimic adnexal neoplasms, intradermal melanocytic nevi, Merkel cell carcinoma, or even amelanotic melanoma.
Her condition is known as amelanotic melanoma, which means it doesn't make melanin - it doesn't play by the rules.
Other differential diagnosis included necrotizing ulcerative gingivostomatitis with facial involvement (noma), osteomyelitis, leishmaniasis, Wegener granulomatosis, deep fungal infection, and amelanotic melanoma.
Differential diagnosis includes metastatic carcinoma, amelanotic melanoma, astrocytoma, lymphoma, endophthalmitis, and retinal inflammatory diseases.
Specifically, these lesions may mimic urothelial carcinoma on histological evaluation, particularly with cases of hypomelanotic to amelanotic melanoma.
We report a case of locally advanced amelanotic melanoma of the nasal cavity in a 55-year-old woman who presented with complaints of nasal obstruction and intermittent bleeding on the right side of the nose for 3 months and a gradually progressive diffuse swelling over the right periorbital and maxillary areas for 2 months with associated pain for 15 days.
05%, vimentin+, S-100+, HMB45+) of malignant melanoma were diagnosed including one amelanotic melanoma (HMB45-), one malignant melanoma of soft part (clear cell sarcoma) and one small cell amelanotic melanoma.
Primary amelanotic melanoma of the vagina: a case report and literature review
Other factors associated with poorer prognosis include duration of symptoms > 3 months, tumour perineural invasion, presence of inguinal lymph nodes, and amelanotic melanoma on histology (2).
The term amelanotic melanoma is often misused to describe both a melanocytic lesion with minimal residual component or a true amelanotic lesion.