Tièche-Jadassohn naevus
Alternative eponyms
- Jadassohn-Tièche nevus
- Jadassohn-Tièche syndrome
Related people
A sharply defined, round or oval, smooth and slightly raised, hard, dark blue, benign melanocytic tumor.
Description
A sharply defined, round or oval, smooth and slightly raised, hard, dark blue, benign melanocytic tumor covered by smooth skin and formed by heavily pigmented spindle-shaped or dendritic melanocytes in the reticular dermis. The individual nevi vary in size from 2 to 15 mm in diameter and are found most commonly on the face, forearms, hands, or thighs, and occasionally in the oral cavity. Etiology unknown. Both sexes affected. Female-to-male ratio 2.5: 1.
Bibliography
- M. Tièche:
Über benigne Melanome ("Chromatophorome") der Haut - "blaue Neavi."
Virchows Archiv für pathologische Anatomie und Physiologie und für klinische Medizin, 1906, 186: 212-229. - J. Jadassohn, in:
Dermatologie, Wien, 1938: 429.