18q-syndrome and extraskeletal Ewing's sarcoma.
Cytogenetic studies carried out in a boy with multiple congenital anomalies showed a partial deletion of the long arm of chromosome 18. The child later developed an extraskeletal Ewing's sarcoma. The possible association of the tumour with 18q- syndrome is discussed.
D000015:Abnormalities, Multiple / Q000235:genetics*; D002675:Child, Preschool; D002872:Chromosome Deletion; D002887:Chromosomes, Human, Pair 18; D006801:Humans; D008297:Male; D012512:Sarcoma, Ewing / Q000235:genetics*; D013120:Spinal Cord Neoplasms / Q000235:genetics*