amelanotic

a·mel·a·not·ic

(ā-mel-ă-not'ik),
Lacking in melanin.
[G. a- priv. + melas, black]

amelanotic

/amel·a·not·ic/ (a″mel-ah-not´ik) pertaining to or characterized by the absence of melanin.

amelanotic

[am′ilənot′ik]
Etymology: Gk, a, melas, not black
pertaining to tissue that is unpigmented because it lacks melanin.

a·m·el·a·not·ic

(ā-mel'ă-not'ik)
Containing little to no melanin.
[G. a- priv. + melas, black]
References in periodicals archive ?
Her condition is known as amelanotic melanoma, which means it doesn't make melanin - it doesn't play by the rules.
The database and algorithm is being expanded to include basal and squamous cell carcinomas in addition to amelanotic melanomas.
Enhanced melanogenesis induced by tyrosinase gene-transfer increases boron-uptake and killing effect of boron neutron capture therapy for amelanotic melanoma.
Specifically, these lesions may mimic urothelial carcinoma on histological evaluation, particularly with cases of hypomelanotic to amelanotic melanoma.
The amelanotic variant of mucosal malignant melanoma is even more rare, and the prognosis is poor.
While 1 study noted a possibly increased rate of S100-negative lesions among acral lentiginous melanomas (34) and our study reports 2 S100-negative lesions arising in acral lentiginous or amelanotic melanomas, most of our S100-negative lesions arose in superficial spreading or nodular melanomas.
Varying degrees of pigment, but sometimes it can be amelanotic (6)
The majority of lesions are polypoidal and pigmented (2), however many are amelanotic (16-53%) (3,5).
He described finding what he termed "papular erythematous melanomas," which are distinct, amelanotic, red or pink, symmetrical lesions that closely resemble some of the recently described early nodular melanomas.
Methanol extract of the plant has been shown to demonstrate cytotoxicity against three cancer cell lines, namely human breast adenocarcinoma cell line MCF-7, human large cell lung carcinoma cell line COR-L23 and human amelanotic melanoma C32.
The term amelanotic melanoma is often misused to describe both a melanocytic lesion with minimal residual component or a true amelanotic lesion.