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Prenatal MR imaging of a meconium pseudocyst extending to the right subphrenic space with right lung compression

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Abstract

Meconium pseudocyst results from a loculated inflammation occurring in response to spillage of meconium into the peritoneal cavity after a bowel perforation. Certain cystic lesions, such as abscesses and dermoid and epidermoid cysts, are known to show reduced water diffusion on DWI. MRI has recently become a valuable adjunct to ultrasonography for fetal gastrointestinal anomalies. Complementary to ultrasonography, prenatal MRI can help further characterize the lesion and can clearly demonstrate the anatomical relationship between the lesion and adjacent organs. We report a case of meconium pseudocyst that was prenatally imaged with ultrasonography and MRI, postnatally complicated by pneumoperitoneum, and proved by postnatal surgery and histopathology. We emphasize the MRI of the pseudocyst, particularly T1-weighted and diffusion-weighted imaging.

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Authors and Affiliations

  1. Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, Republic of China

    Alex M. Wong, Cheng-Hong Toh, Ho-Fai Wong & Koon-Kwan Ng

  2. Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan, Republic of China

    Reyin Lien

  3. Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University, 5 Fu-Hsing St., Kwei-Shan, 333, Taiwan, Republic of China

    An-Shine Chao

Authors
  1. Alex M. Wong
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  2. Cheng-Hong Toh
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  3. Reyin Lien
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  4. An-Shine Chao
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  5. Ho-Fai Wong
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  6. Koon-Kwan Ng
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Correspondence to An-Shine Chao.

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Wong, A.M., Toh, CH., Lien, R. et al. Prenatal MR imaging of a meconium pseudocyst extending to the right subphrenic space with right lung compression. Pediatr Radiol 36, 1208–1211 (2006). https://doi.org/10.1007/s00247-006-0294-z

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  • DOI: https://doi.org/10.1007/s00247-006-0294-z

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