Results 1 to 10 of about 8,259 (166)
Primary amelanotic leptomeningeal melanocytosis mimicking subarachnoid hemorrhage: a case report of the deceptive masquerader [PDF]
Frontiers in OncologyBackgroundPrimary diffuse leptomeningeal melanocytosis (PDLM) is a rare central nervous system neoplasm. Diagnosis is challenging in amelanotic variants because they lack the characteristic T1 hyperintensity on magnetic resonance imaging (MRI), leading ...
Yu-Chung Juan +15 more
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Pyogenic Granuloma-like Amelanotic Melanoma of the Fingernail [PDF]
Liaquat National Journal of Primary Care, 2023 Amelanotic melanoma is an atypical melanoma that presents without pigmentation and can thus be misdiagnosed as benign neoplasm. Ungual trauma can induce amelanotic melanoma of the fingernail as well as pyogenic granuloma (PG).
Samavia Khan +3 more
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Malignant (Anaplastic) Amelanotic/Hypomelanotic Melanoma in a Kurdish Gelding [PDF]
Iranian Journal of Veterinary Surgery, 2021 We report an 11-year-old Kurdish gelding with an anaplastic malignant melanoma arising from his right lateral of the neck, which developed over 6 weeks.
Aram Sadi, Saeed Azizi, Hamed Masoudi
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Journal of Biomedical Photonics & Engineering, 2021 In this work, Raman and autofluorescence spectroscopy in the near-infrared region has been used for examining amelanotic melanoma as the most dangerous type of malignant melanoma. There were 9 patients with amelanotic melanoma, 60 with pigmented melanoma
Ivan A. Bratchenko +6 more
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PLoS ONE, 2020 Amelanotic/hypomelanotic melanoma is a clinicopathologic subtype with absent or minimal melanin. This study assessed previously reported coding variants in albinism genes (TYR, OCA2, TYRP1, SLC45A2, SLC24A5, LRMDA) and common intronic, regulatory ...
Jenna E Rayner +12 more
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An amelanotic choroidal melanoma arising in a young man with tattoo-associated sarcoidosis
American Journal of Ophthalmology Case Reports, 2020 Purpose: To describe a patient with an amelanotic choroidal melanoma, originally misdiagnosed as a choroidal granuloma, following his systemic diagnosis of tattoo-associated sarcoidosis.
Sean T. Berkowitz, BS +2 more
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Frontiers in Veterinary Science, 2021 Oral mucosal melanomas (OMMs) are aggressive and resistant cancers of high importance in veterinary oncology. Amelanotic OMM produces comparatively less melanin and is considered to be more aggressive than melanotic OMM.
Nayra Villar Scattone +7 more
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Amelanotic Malignant Melanoma of Buccal Mucosa: A Case Report [PDF]
Journal of Clinical and Diagnostic Research, 2022 Amelanotic melanoma is an atypical variation from pigmented malignant melanoma. The clinical lack of pigment compromises the physician’s clinical diagnosis of the lesion.
Vidyalakshmi Santhanam +4 more
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New panel of biomarkers to discriminate between amelanotic and melanotic metastatic melanoma
Frontiers in Oncology, 2023 Melanoma is a form of skin cancer that can rapidly invade distant organs. A distinctive feature of melanomas is their pigmentation status, as melanin is present in most skin melanomas, whilst many metastatic tumors could become amelanotic.
Ioana V. Militaru +4 more
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Journal of Medical Ultrasound, 2021 Although an excellent photoacoustic (PA) ultrasound method has been reported for the evaluation of lymph node melanoma metastasis in animal experiments, it remains to be evaluated in clinical trials.
Tomoyuki Ohta +4 more
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