Choonpa Igaku
Online ISSN : 1881-9311
Print ISSN : 1346-1176
ISSN-L : 1346-1176
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CASE REPORTS
  • Yumi TAI, Nagaaki MARUGAMI, Aki MARUGAMI, Toshiko HIRAI, Takeo NOMI, M ...
    2020 Volume 47 Issue 4 Pages 149-157
    Published: 2020
    Released: July 13, 2020
    [Advance publication] Released: June 22, 2020
    JOURNALS RESTRICTED ACCESS

    A female in her 70s was admitted to our hospital because of suspected gallbladder carcinoma on abdominal ultrasonography (US) performed by her previous doctor. US showed an approximately 28-mm mild hyperechoic irregular mass and hypoechoic wall thickening at the fundus of the gallbladder. On contrast-enhanced ultrasonography (CEUS), the irregular mass was enhanced rapidly and vividly, and the wall thickening was enhanced slowly and progressively in the arterial phase. CEUS also showed branched blood vessels in the irregular mass and sparse linear blood vessels in the thickened wall. Cholecystectomy, gallbladder bed resection, and lymphadenectomy were performed. The diagnosis was adenosquamous cell carcinoma with foci of well to moderately differentiated papillary adenocarcinoma. The irregular mass and the wall thickening pathologically corresponded to papillary adenocarcinoma and adenosquamous cell carcinoma, respectively. The adenosquamous cell carcinoma showed subserosal invasion with a strong desmoplastic reaction in the stroma. It is suggested that abundant fibrotic stroma and a decrease in capillary blood vessels could have caused the difference in intralesional blood vessel pattern depicted on CEUS between the adenosquamous cell carcinoma and the papillary adenocarcinoma of the gallbladder.

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  • Eri KITAMURA, Yuka YAMAMOTO, Atsuo ITAKURA
    2020 Volume 47 Issue 4 Pages 159-163
    Published: 2020
    Released: July 13, 2020
    [Advance publication] Released: June 29, 2020
    JOURNALS RESTRICTED ACCESS

    Agenesis of ductus venosus (ADV) is a rare condition with a variable prognosis depending on the venous connection and accompanying complications. Congenital sinus of valsalva aneurysm (SVA) is an extremely rare condition that may induce rupture, thrombosis, or compression of the coronary artery. This report describes the case of a 26-year-old primipara woman who presented a dilated umbilical vein going directly into the right atrium, which was diagnosed as extrahepatic drainage of ADV and aortic valve abnormality at 26 weeks of gestation. There was no sign of cardiomegaly or cardiac dysfunction during gestation. The dilation of the umbilical vein got better at 36 weeks of gestation. A male weighing 1,972 g was delivered by cesarean section due to non-reassuring fetal status at 39 weeks of gestation. After birth, SVA, double outlet right ventricle, atrial septal defect, and tricuspid dysplasia were confirmed. With esophageal atresia and imperforate anus, the baby was diagnosed as VACTERL association. In this case, although the umbilical vein ran directly into the right atrium, there was no cardiomegaly due to the kink in the umbilical vein right after the insertion to the abdomen, which would reduce the direct load to the heart. Since ultrasound findings of SVA during the fetal stage are very rare, the images presented here may be of interest to readers.

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ULTRASOUND IMAGE OF THE MONTH
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