Three‐dimensional sonographic imaging of a highly developed fetus in fetu with spontaneous movement of the extremities.

Jones, David; Reyes‐Múgica, Miguel; Gallagher, Patrick G.; Fricks, Peggy; Touloukian, Robert J.; Copel, Joshua A.

doi:10.7863/jum.2001.20.12.1357

Cited by 10 publications

(6 citation statements)

References 26 publications

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“…Hyperechoic vertebral column-like structures can often be detected, similar to our case [2,3,8]. CDFI can reveal the largest feeding vessel and rudimentary umbilical stalk of the FIF, as in our case [9,10]. Importantly, we first reported the contrast enhancement pattern of FIF on CEUS.…”

Section: Discussionsupporting

confidence: 73%

Preoperative diagnosis of a “humanoid” fetus in fetu using multimode ultrasound: a case report

et al. 2020

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Background Fetus in fetu (FIF) is a rare congenital anomaly. The preoperative diagnosis of FIF and differentiating it from teratoma and other abdominal tumors can be challenging for radiologists. Clarification of the blood supply and the relationship with the surrounding vessels is especially helpful for successful surgery; however, multimode ultrasound (US) performed for FIF has rarely been explored. Here, we first report a “humanoid” FIF case diagnosed by multimode US examinations, with the use of contrast-enhanced ultrasound (CEUS) for clarifying the blood supply features. Case presentation A 25-day-old preterm male infant was referred to our hospital for surgery. The US and computed tomography (CT) examinations led to a diagnosis of teratoma at the local hospital. The laboratory workup at our hospital revealed an elevation of total bilirubin, direct bilirubin, indirect bilirubin, alpha-fetoprotein, and neuron-specific enolase levels. A precise diagnosis and differentiation from teratoma, hepatoblastoma, neuroblastoma and other abdominal tumors were needed. In addition, the blood supply and the relationship with the surrounding vessels needed clarification prior to surgery. Multimode US examinations were performed and the features of a “humanoid” FIF as well as the blood supply for the abdominal lesion of the infant were suggested by grayscale US, color Doppler flow imaging (CDFI), and CEUS. Furthermore, CDFI and CEUS revealed an aorta-like structure and umbilical cord-like blood vessels in the “humanoid” FIF, and the CEUS helped with marking the surface of the infant’s abdominal wall. To the best of our knowledge, this is the first case report of CEUS in FIF, and the blood supply was clearly demonstrated in the FIF. The intraoperative findings confirmed our multimode US findings and revealed a “humanoid” FIF. The infant quickly recovered after the operation and had no positive findings at the 2-year follow-up visit. Conclusions Multimode US was helpful in diagnosing the rare FIF without radiation exposure. Specifically, CEUS clearly demonstrated the limb branch vessel-like structures, the abdominal aorta-like structure and the blood supply, which was useful for the FIF diagnosis and for avoiding damage to important vessels during the operation.

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Section: Discussionsupporting

confidence: 73%

Preoperative diagnosis of a “humanoid” fetus in fetu using multimode ultrasound: a case report

et al. 2020

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“…Ultrasound also helps in early diagnosis of FIF and there are few cases diagnosed antenatally also by ultrasound. 7 CT scans especially with multiplanar and volume rendering capabilities can correctly identify the vertebral column and other skeletal elements. It is also useful in correctly detecting fat and soft tissues.…”

Section: Discussionmentioning

confidence: 99%

“…1 There are reports on antenatal detection of FIF within the abdomen of foetuses using 3-dimensional ultrasound. 7 In most cases of FIF, only one fetus exists inside the baby. Only in extremely rare cases are multiple foetuses found.…”

Section: Introductionmentioning

confidence: 99%

Imaging findings in Fetus-in-fetu-misdiagnosed commonly as teratoma

Rajakumar

Singhal

Sana

et al. 2021

Int J Contemp Pediatr

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Fetus in fetu is a rare condition associated with abnormal embryogenesis in a diamniotic, monochorionic pregnancy, wherein one of the fetus is enclosed within the body of another normally developing fetus. It should be differentiated from a teratoma because of the later’s malignant potential. Here we report a case of 2 months old girl child who presented with complaints of abdominal distension. USG showed a solid cystic retroperitoneal mass resembling an anencephalic fetus. Contrast enhanced Computed tomography (CT) showed similar findings with visualization of bones resembling femur, sacrum and vertebrae. Findings were correlated with MRI and post-op pathology. The preoperative diagnosis of FIF is based on the observation of vertebral column or limbs in a mass on imaging modalities and our case meets the required criteria.

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“…Early diagnosis is crucial as a significant rise in negative health outcomes, such as failure to thrive and organ dysfunction, has been observed among those who receive a diagnosis at a more advanced stage of the disease[ 3 ]. Prenatal diagnosis will allow the delivery to take place in a hospital with the necessary resources to manage any complications that may arise after birth, as well as the ability to perform surgery to remove the tumor shortly after birth [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Prenatal diagnosis of well-developed fetus in fetu with spontaneous movement in a resource-limited setting: A case report

Stevanny,

Mirani,

Thene

et al. 2024

Case Reports in Women's Health

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Three‐dimensional sonographic imaging of a highly developed fetus in fetu with spontaneous movement of the extremities.

Cited by 10 publications

References 26 publications

Preoperative diagnosis of a “humanoid” fetus in fetu using multimode ultrasound: a case report

Preoperative diagnosis of a “humanoid” fetus in fetu using multimode ultrasound: a case report

Imaging findings in Fetus-in-fetu-misdiagnosed commonly as teratoma

Prenatal diagnosis of well-developed fetus in fetu with spontaneous movement in a resource-limited setting: A case report

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