Fetus in fetu in the scrotal sac of newborn

Khope, Sanjay; Phaldesai, Neena; Borkar, Jayesh; Sane, Sudha Y

doi:10.1097/01.xps.0000481340.83228.54

Cited by 2 publications

(3 citation statements)

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“…Analysis of genetic markers, such as blood group, karyotype, and DNA, shows no genetic difference between host and FIF. Therefore, this result is compatible both with the theory of "parasitic twins" and the "monozygous teratoma" theory [6,8]. The final diagnosis of FIF is not made until the pathological analysis.…”

Section: Discussionsupporting

confidence: 84%

“…It has a varying degree of organogenesis with an axial skeleton and rudimentary limbs. The size of the FIF is related to the blood supply, and the weight varies between 13 and 2000 g. Most often, it is unique, but the presence of 2 or 3 FIFs, or even more, has been observed; Kimmel found more than 5 FIF intracerebral [5,8]. Spencer recommends that a FIF should meet one or more of the following criteria: (a) be enclosed in a separate bag containing liquid or vernix caseosa, (b) be partially or completely covered with normal skin, (c) have roughly recognizable anatomical parts, and (d) be attached to the host by one or a few relatively large blood vessels [8].…”

Section: Discussionmentioning

confidence: 99%

“…In about 9% of FIF cases, no spine was found [2,3,5,10]. Gonzalez-Crussi suggested that the term FIF be applied to any structure in which the fetal form has highly developed organogenesis or the presence of a vertebral axis [8,9].…”

Section: Discussionmentioning

confidence: 99%

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Intrathoracic mass in a 5-month-old infant: fetus in fetu—a case report

Bata

Akodjènou

Bognon³

et al. 2022

Ann Pediatr Surg

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Background The fetu in fetu (FIF) is an extremely rare congenital condition characterized by a 2nd fetus that grows into the body of the healthy twin. Its thoracic location is more exceptional. Case presentation We report a case of intrathoracic mass in a 5-month-old female infant, diagnosed after an assessment for respiratory distress. She underwent an emergency left thoracotomy which allowed for the removal of a large thoraco-mediastinal mass inside a membranous sac containing a clear liquid mixed with vernix caseosa. The mass was completely covered with normal skin, three lobes similar to rudimentary outline of the head and limb. It was attached to a single large vascular pedicle. The pathological examination concluded that there was a high possibility of FIF. The postoperative follow-up was uncomplicated, and the child is still in good clinical condition after the 5-month follow-up. Conclusion The assessment of the respiratory distress in an infant with a mass centered by an axial skeleton on the chest x-ray and thoracic CT scan may suggest a diagnosis of intrathoracic FIF.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%