Ontology type: schema:ScholarlyArticle
2019-04
AUTHORSNaoko Nishio, Aki Kido, Sachiko Minamiguchi, Kayo Kiguchi, Yasuhisa Kurata, Kyoko Kameyama Nakao, Ryo Kuwahara, Ryo Yajima, Satoshi Otani, Masaki Mandai, Kaori Togashi, Manabu Minami
ABSTRACTTuberous sclerosis complex (TSC), a rare autosomal dominant neurocutaneous disorder, is characterized by the presence of benign congenital tumors in multiple organs. Neoplasms with perivascular epithelioid cell differentiation (PEComas), including angiomyolipoma (AML) and lymphangioleiomyomatosis (LAM), can occur in association with TSC. This report describes two cases of uterine PEComas presenting characteristic MR imaging features reflecting pathological findings. From MR images, both cases showed single or multiple large, irregularly shaped or lobulated hemorrhagic lesions within the myometrium. They differed from typical adenomyotic cysts in their large size and irregular margins. Histopathologic analysis revealed that the hemorrhage was caused by adenomyosis and tumor cells that proliferated in surrounding stroma of the hemorrhagic lesions, compatible with PEComas. Microscopic observation revealed an infiltrative growth pattern of PEComas, with small nodules formed. The tumor lesions, however, were difficult to detect on MR images. The myometrium showed normal appearance on both T1-weighted and T2-weighted images in both cases. We speculate that PEComas may infiltrate extensively into the myometrium even when the myometrium shows almost normal radiologic appearance. More... »
PAGES1256-1260
http://scigraph.springernature.com/pub.10.1007/s00261-019-01918-3
DOIhttp://dx.doi.org/10.1007/s00261-019-01918-3
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/30778737
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