Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027627 (metastases)
 103,950 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Juvenile aponeurotic fibroma is a rare lesion of the palmar surface of the hands and, occasionally, of the feet of children. It is benign tumor which is self-limited in growth, but which has a strong propensity to recur. Grossly and histologically it exhibits a tendency to invade all surrounding structures, but does not metastasize. Rapidity of growth seems to slow down with increasing age. It should be recognized and treated conservatively by repeated surgical removal.
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PMID:Juvenile aponeurotic fibroma: a case report. 89 80

Three cases of a distinctive soft tissue fibrous tumor with spotty calcification demonstrate the lesion originally described by Keasby as Juvenile Aponeurotic Fibroma. The tumor tends to occur on the volar surface of the hands and feet in children and adolescents but may be seen in other areas in all age groups. Size rarely exceeds 3.0 cm. The tumors are fixed to the fascial layers. In previously reported patients pain was not described as an important factor, but both pain and tenderness were striking in all 3 of our cases. Microscopically the dominant feature is a fribrous stromal pattern of fusiform cells with inclusions of mast cells. Spotty calcification is a constant finding and appears to increase with duration of tumor. Local recurrence after excision and an aggressive histologic appearance may raise the question of malignancy. However, neither destruction of normal tissue surrounding the tumor nor metastases have occurred. Local exicision is the treatment of choice.
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PMID:Juvenile aponeurotic fibroma. Report of three cases and a review of the literature. 112 77

Lipoblastoma/lipoblastomatosis is an uncommon benign adipose tissue tumor of children. Since 1958, 25 of these tumors from 24 patients have been reviewed in the Department of Pathology at The Children's Hospital of Philadelphia. Tumors were resected from 19 boys (79%) and five girls, and 20 patients (84%) were < or =5 years of age at diagnosis. Twenty-three tumors presented as painless superficial soft-tissue masses; one tumor was retroperitoneal and was discovered because of vomiting; one hand tumor was present at birth. Tumors occurred in an extremity (n = 11 patients), the head and neck (n = 5), groin (n = 2), axilla (n = 2), back (n = 1), chest (n = 1), flank (n = 1), labia (n = 1), and retroperitoneum (n = 1). Thirteen tumors occurred on the left side, and five occurred on the right. Lesions measured 1.0-21.0 cm in greatest dimension; 15 of 25 (60%) measured < or =5.0 cm. The largest (retroperitoneal) tumor weighed 450 g. Eleven tumors were discrete lipoblastoma, and 14 had irregular margins (lipoblastomatosis). Microscopically, the tumors displayed adipocytes in different stages of maturation; lobules bordered by septae that were cellular in 11 cases; prominent blood vessels in 19 cases; and myxoid foci in 13 cases. Chart review of 22 patients showed that one tumor recurred 4 years after resection; one tumor recurred after 7 years as fibrolipoma; and one incompletely resected tumor enlarged and at second resection was lipoma. There were no metastases. Three patients also had hemangioma. Juvenile aponeurotic fibroma occurred in one patient near the site of resection of a lipoblastoma 4 years earlier. We conclude that lipoblastoma/lipoblastomatosis behaves benignly, occurs in both superficial and deep sites, occasionally attains large size, may mature, can recur, and may be associated with other benign soft-tissue lesions. Complete surgical excision is the treatment of choice.
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PMID:Lipoblastoma/lipoblastomatosis: a clinicopathologic study of 25 tumors. 933 Dec 84