{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T02:49:32Z","timestamp":1791600572942,"version":"4.3.4"},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":278,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Congenital Anomalies"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Congenital perineal lipoma is a rare benign adipose lesion that may present prenatally as a fetal perineal mass. These lesions are frequently associated with ambiguous genitalia, anorectal malformations, and other urogenital anomalies, whereas isolated cases are uncommon. Recognition of isolated lesions is clinically important because of their favorable prognosis and their implications for prenatal counseling and perinatal management. We report the prenatal imaging findings of two fetuses with isolated congenital perineal lipoma. Prenatal ultrasonography demonstrated well\u2010defined echogenic perineal masses with minimal or absent vascularity and interval growth during gestation. No associated anorectal, spinal, or genitourinary abnormalities were identified. In one case, fetal magnetic resonance imaging (MRI) demonstrated a pedunculated fatty perineal mass with a small internal cystic component, further supporting a lipomatous lesion. Both pregnancies were managed expectantly, and postnatal surgical excision was performed. Histopathologic examination confirmed congenital perineal lipoma in both neonates. These cases highlight the importance of careful prenatal evaluation of fetal perineal masses to exclude associated anomalies and refine the differential diagnosis. Fetal MRI may provide additional characterization in selected cases and assist prenatal counseling and postnatal management.<\/jats:p>","DOI":"10.1002\/cga.70083","type":"journal-article","created":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:01:18Z","timestamp":1791288078000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prenatal Ultrasound and\n                    <scp>MRI<\/scp>\n                    Findings in Two Fetuses With Perineal Lipoma"],"prefix":"10.1002","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2698-4872","authenticated-orcid":false,"given":"Behnaz","family":"Moradi","sequence":"first","affiliation":[{"name":"Advanced Diagnostic and Interventional Radiology Research Center (ADIR) Tehran University of Medical Sciences  Tehran Iran"},{"name":"Department of Radiology, Yas Hospital Complex Tehran University of Medical Sciences  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8547-8550","authenticated-orcid":false,"given":"Niloufar","family":"Nazeri","sequence":"additional","affiliation":[{"name":"Department of Radiology, Faculty of Medicine Mashhad University of Medical Sciences  Mashhad Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maryam Kazemi","family":"Aghdam","sequence":"additional","affiliation":[{"name":"Pediatric Pathology Research Center, Research Institute for Children's Health Shahid Beheshti University of Medical Sciences  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3244-3565","authenticated-orcid":false,"given":"Fahimeh","family":"Azizinik","sequence":"additional","affiliation":[{"name":"Advanced Diagnostic and Interventional Radiology Research Center (ADIR) Tehran University of Medical Sciences  Tehran Iran"},{"name":"Department of Radiology, Yas Hospital Complex Tehran University of Medical Sciences  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad Reza","family":"Tahmasebpour","sequence":"additional","affiliation":[{"name":"Restaak Advanced Obstetric Imaging Center  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,6]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.5603\/GP.a2022.0157"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1186\/s40792-019-0753-z"},{"issue":"3","key":"e_1_2_11_4_1","first-page":"501","article-title":"Accessory Scrotum With Perineal Lipoma Diagnosed Prenatally: Case Report and Review of the Literature","volume":"77","author":"Murase N.","year":"2015","journal-title":"Nagoya Journal of Medical Science"},{"issue":"4","key":"e_1_2_11_5_1","first-page":"269","article-title":"Congenital Perineal Lipoma Presenting as Ambiguous Genitalia","volume":"18","author":"Guerra\u2010Junior G.","year":"2008","journal-title":"Journal of Pediatric and Adolescent Gynecology"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/jog.12232"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1442-2042.2004.00744.x"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1159\/000295807"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.7863\/jum.2010.29.8.1257"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1679-45082014RC2746"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjps.2008.06.081"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2008-1038589"},{"issue":"1","key":"e_1_2_11_13_1","first-page":"85","article-title":"Accessory Scrotum and Congenital Perineal Lipoma in a Child With Type 2 Congenital Pulmonary Airway Malformation: A Report of an Unusual","volume":"12","author":"Fathaddin A. A.","year":"2018","journal-title":"International Journal of Health Sciences"},{"issue":"4","key":"e_1_2_11_14_1","first-page":"165","article-title":"Ultrasonography and Magnetic Resonance Imaging in a Fetus With Sacrococcygeal Teratoma: A Case Report","volume":"3","author":"Moradi B.","year":"2022","journal-title":"Journal of Obstetrics, Gynecology and Cancer Research"},{"key":"e_1_2_11_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsc.2023.102762"},{"key":"e_1_2_11_16_1","doi-asserted-by":"publisher","DOI":"10.1053\/jpsu.2002.30831"},{"key":"e_1_2_11_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpedsurg.2003.11.005"},{"key":"e_1_2_11_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpedsurg.2004.09.027"},{"key":"e_1_2_11_19_1","first-page":"e12821","article-title":"Congenital Peri Anal Lipoma: A Case Report and Review","volume":"12","author":"Shakur A. H. E. 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