Double fetus in fetu: Diagnostic imaging

Luzzatto, C; Talenti, Enrico; Tregnaghi, Alberto; Fabris, Simeone; Scapinello, Antonio; Guglielmi, M

doi:10.1007/bf02012747

Cited by 28 publications

(23 citation statements)

References 4 publications

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“…Fetus in fetu was originally described by Meckel in the late eighteenth century [1]. It is an extremely rare entity with an incidence of 1:500,000 births and multiple fetus in fetu is even more uncommon [1,2,3,4,5].This condition has a 2:1 male predominance, with most patients presenting in the first year of life with an abdominal mass.…”

Section: Discussionmentioning

confidence: 96%

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Multiple fetuses in fetu:imaging findings

Iyer

Vinaya

Haller

et al. 2003

Pediatric Radiology

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Section: Discussionmentioning

confidence: 96%

“…Some investigators propose that it is a highly organized teratoma [1]. Most, however, suggest that it is a malformed monozygotic twin or triplet, which comes to lie within the body of its fellow twin and remains there for the duration of the pregnancy [1].…”

Section: Discussionmentioning

confidence: 96%

Multiple fetuses in fetu:imaging findings

Iyer

Vinaya

Haller

et al. 2003

Pediatric Radiology

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“…Plain abdominal X-ray may be helpful in diagnosis, with half of them showing vertebral column and axial skeleton. Though rare anomaly fetus in fetu can be identified in preoperative period radiologically [9,[21][22][23]. Most commonly they are found in upper retroperitoneum; both of our cases had mass in the retroperitoneum.…”

Section: Discussionmentioning

confidence: 79%

Fetus in fetu: two case reports and review of literature

et al. 2009

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Fetus in fetu is a rare disorder. Its embryopathogensis and differentiation from teratoma has not been well established. It is a parasitic twin of a diamniotic monozygotic twin. Here we report, two cases of fetus in fetu with review of literature. In case report 1, a 2-year-old boy was referred for asymptomatic lump in abdomen since birth. X-ray showed the mass in the abdomen with some calcification and fluid inside. CT scan reported a heterogenous mass in the retroperitoneum with bony malformation. CT showed presence of three vertebrae in it. After surgically excising the mass and opening the sac it showed presence of trunk and two limbs with one of the limbs having a nail. Histopathology showed presence of GI tract. In case report 2, 4 month female was found to have lump in the abdomen by housemaid while bathing. X-ray showed a soft tissue shadow while ultrasonography revealed cystic mass arising from right kidney. CT suggested cystic mass with calcification not arising from kidney. During exploration whole mass was excised and there was frank fetus inside it. Histopathology confirmed presence of four vertebral bodies with germ layers. Although fetus in fetu is rare condition, correct diagnosis using imaging can be made before surgery. Complete excision is curative.

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“…FIF is a rare congenital anomaly whose incidence is 1 in 500,000 births [3] and a fewer than 100 cases have been reported [4]. The histopathologic diagnosis of FIF is confirmed by the presence of a vertebral axis, welldifferentiated organs, and limb buds.…”

Section: Discussionmentioning

confidence: 99%

Prenatal diagnostic clue for fetus in fetu

Park

Lee

et al. 2007

Pediatr Surg Int

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The purpose of this paper is to define a prenatal diagnostic clue for fetus in fetu (FIF) based on the characteristic findings of four FIF cases studied by the authors. A retrospective analyses of prenatal ultrasonography (US), postnatal US, computed tomography (CT) scans and operative findings were carried out on each of the four FIF cases collected from a multi-center. Prenatal US findings for each of the four cases showed a fluid-filled sac with a solid portion "floating" within it. In addition, bony structures were found in the solid portion. In each of the four cases, the postpartum imaging studies were consistent with the prenatal US findings. Operative findings revealed a solid mass within a fluid-filled sac surrounded by a transparent membrane. The solid mass was connected to the membrane by a stalk. Histopathologically, the cells making up the sac were of the same type as those of the amnion, while the solid mass had the general characteristics of FIF. In conclusion, FIF can be suspected when prenatal US shows a solid mass with bony structures within a fluid-filled sac in a newborn.

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Double fetus in fetu: Diagnostic imaging

Cited by 28 publications

References 4 publications

Multiple fetuses in fetu:imaging findings

Multiple fetuses in fetu:imaging findings

Fetus in fetu: two case reports and review of literature

Prenatal diagnostic clue for fetus in fetu

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