DefinitionThis section has been translated automatically.
LocalizationThis section has been translated automatically.
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Clinical featuresThis section has been translated automatically.
Little characteristic clinical picture. Mostly clinically asymptomatic, little noticed, red, reddish-brown or skin-coloured, 0.2-1.0 -2.0 cm plaque/nodules with smooth, eroded or ulcerated, also crusty surface. The discoloration of an originally dark coloured malignant melanoma can apply to all tumour types. In this respect the clinical variability is very large. This also applies to its almost ubiquitous localisation.
The so-called ABCD rule is only partially applicable:
- A = Asymmetry (unequal halves on both sides of an imaginary centre line) - applies
- B = Border irregularity - applies
- C = Colour variation, especially the occurrence of brown and black tones(most important criterion - not applicable)
- D = Diameter (diameter): more than 5 mm or size growth (applicable)
Incident light microscopy: reddish or skin-coloured nodules, possibly remains of the pigment network.
HistologyThis section has been translated automatically.
Direct ImmunofluorescenceThis section has been translated automatically.
Differential diagnosisThis section has been translated automatically.
TherapyThis section has been translated automatically.
Progression/forecastThis section has been translated automatically.
LiteratureThis section has been translated automatically.
- Eagle MJ, White CR (1997) Amelanotic malignant melanoma. Semin Cutan Med Surg 16: 122-130
- Peterson J, Rowley M (2007) Rhinophymatous amelanotic melanoma. Cutis 79: 383-386
- Yesil S et al (2007) Amelanotic melanoma misdiagnosed as a diabetic foot ulcer. J Diabetes Complications 21: 335-337
Incoming links (8)Amelanotic malignant melanoma; Fibrosarcoma sclerosed epitheloid cell; Hidradenocarcinoma eccrines; Incident light microscopy, basic architecture of polymorphic and/or aneurysmatic vessels; Melanoma desmoplastic; Neurothekeoma cellular; Porocarcinoma; Unguis incarnatus;
Outgoing links (9)Abcd rule; Basal cell carcinoma (overview); Bowen's disease; Granuloma pyogenicum; Melanoma; Merkel cell carcinoma; Nevus spitz; Reflected light microscopy; Sonography, 20 mhz sonography;
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.