[Spindle-shaped cell blue naevus with lymph nodes "metastases" (author's transl)]

"Metastases" in lymph nodes are not only found from cellular blue naevi but also from their spindle-shaped cell fascicular type. These "metastases" are mostly situated in the fibrous capsule, very rarely in the parenchyma of the lymph nodes. Individually the cells resembled those of the cutaneous tumour. Their occurence in the peripheral sinuses should be verified. Epitheloid vessel-wall cells (glomus-type cells), sometimes pigmented and occasionally found in large cell aggregates, can be noted in the capsule of the lymph nodes. By several authors, these cells are considered to be benign naevus cells. The histopathogenesis and the clinical importance of the "metastases" from blue naevus are discussed.