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Sonographic features of congenital infantile fibrosarcoma that appeared as a sacrococcygeal teratoma during pregnancy
Author(s) -
Suzuki Takashi,
Murakoshi Takeshi,
Tanaka Kei,
Ogasawara Aiko,
Torii Yuichi
Publication year - 2015
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.12719
Subject(s) - medicine , sacrococcygeal teratoma , hypervascularity , fibrosarcoma , coccyx , teratoma , pathological , pregnancy , fetus , prenatal diagnosis , pathology , maldevelopment , anatomy , sacrum , genetics , biology
We experienced an extremely rare case of congenital infantile fibrosarcoma originating from the fetal sacrococcygeal region in pregnancy. At first, we suspected fetal sacrococcygeal teratoma; however, the following ultrasonography findings of the tumor complicated this diagnosis: (i) laterality; (ii) no cystic component; (iii) hypervascularity, with the feeding vessels not derived from the middle sacral artery; and (iv) a skin covering. The pathological findings indicated that the tumor was an infantile fibrosarcoma, not a teratoma. Thus, we believe that these sonographic features may aid the prenatal diagnosis of congenital infantile fibrosarcoma, which, in turn, may contribute to a better prognosis and may be useful for parental counseling.

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