fetus in fetu
Fetus in
fetu: two case reports and literature review. Abdominal computed tomography shows a semisolid mass with calcified and lipomatous components within the cyst. A. A well-formed vertebral body (Arrowhead); B. Arrow head shows the long opacities corresponding to fetal limbs.
Fetus in
fetu: MRT bei eines Neugeborenen mit großer zystoider Höhle im Bauchraum mit mehreren deformierten und rudimentären Organanlagen und Extremitäten.
Fetus in fetu
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Twin fetus in
fetu in a child: a case report and review of the literature. Plain X-ray of the vertical calcification on the left side of the abdomen.
ASP d"un
foetus in foetu reconnaissable transversalement aux vertèbres L1-L2. Pôle céphalique à droite du rachis et les deux fémurs à gauche.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Axial image showing the intracranial mass lesion.
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Twin fetus in
fetu in a child: a case report and review of the literature. A 64-slice computed tomography scan of the bony outline of the fetus in fetu.
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in fetu
• Fetus in fetu - Ganzer Fall bei Radiopaedia
Fetus in
fetu: two case reports from North African country. CT scan of the retroperitoneal lesion showing solid and cystic components, fat attenuation, and calcification
Twin fetus in
fetu in a child: a case report and review of the literature. Abdominal computed tomography of the fetus with a large encapsulated peritoneal cavity mass and mature vertebral skeleton.
Twin fetus in
fetu in a child: a case report and review of the literature. Plain X-ray of the fetal specimen with a vertebral column.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Conventional radiograph shows a heterogeneous, calcified lesion inside the cranium.
A rare case
of fetus in fetu in the sacrococcygeal region: CT and MRI findings. a and b sagittal T2WI (with and without fat suppression) showed the mass was connected with the dilated sacral canal of the boy and resulted in tethered cord. Note the thickened filum terminale was dragged posterior in the sacral canal (arrow)
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Sagittal image shows the lesion displacing the fetal brain to one side.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Coronal image shows a heterogeneous lesion surrounded by a membrane in the fetal cranium with few hyper-intense areas within.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Color-Doppler sonogram shows color uptake by the lesion.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Ultrasound image of the fetal cranium shows a well-defined heterogeneous extra-axial lesion displacing the fetal brain parenchyma to one side. The lesion is seen surrounded by a membrane.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Coronal CT image shows an oval calcified structure resembling a miniature fetal head and a curvilinear calcified structure resembling fetal spine within the cranium.
“Two Minds
In One” -A Rare Case Of Intracranial Fetus In Fetu. Ultrasound image of the fetal cranium shows an oval peripherally calcified area involving one pole of the lesion, resembling a miniature fetal cranium.
Prenatal
diagnosis of a “living” oropharyngeal fetus in fetu: a case report. A nonhomogeneous mass, protruding out of the mouth, was identified in the fetus oropharyngeal section. a sagittal view; b coronal view
Fetus in
fetu: two case reports and literature review. Radiograph, ultrasonography and CT scan of the abdomen showed a large, complex, soft-tissue mass with bony elements. A. Plain film of the abdomen. Calcified mass at the left border of thoracolumbar vertebrae T12, T11, L1 and L2. B. Postnatal ultrasonography of abdomen. The figure shows a retroperitoneal mass in the left upper abdomen. The mass is cystic, with a centrally located fetus. C. Axial CT scan at the L1 level. In front of the left kidney, there is a well-defined mass with 1 cystic formation. There are long and hyperdense opacities corresponding to fetal vertebral column. D. Sagittal CT scan. In front of the left kidney, there is a mass containing fluid and some calcified opacities that corresponding to fetal limbs.
Fetus in
fetu: two case reports and literature review. The postoperative specimen shows a fairly well-developed fetus lying on its back. The fetus is partially covered with skin, demonstrating intestines and two lower limbs.
A rare case
of fetus in fetu in the sacrococcygeal region: CT and MRI findings. a and b sagittal and axial CT images showed Spinal dysraphisms of the sacrum (arrow and star)
A rare case
of fetus in fetu in the sacrococcygeal region: CT and MRI findings. a and b sagittal and 3D CT images showed a large, complex mass with bony structure and blood supply from the aorta of the boy (arrow)
A rare case
of fetus in fetu in the sacrococcygeal region: CT and MRI findings. a and b 3D CT images showed the bony structure in the mass resembling sacrococcygeal bone, hip bone and the femur (thick arrow)
Prenatal
diagnosis of a “living” oropharyngeal fetus in fetu: a case report. Color Doppler demonstrated pulsive color signals in the heart-like structure at the lowest end of the mass within the fetal left chest. The heart of the fetus was demonstrated on the right chest. AF, amniotic fluid; Sp, spine
Fetus in
fetu: two case reports from North African country. MDCT showing mixed fat, soft tissue, and bones (vertebral bodies and long bones)
nicht verwechseln mit: LithopädionFetus-in-fetu is an extremely rare abnormality that occurs secondary to abnormal embryogenesis in a monochorionic diamniotic pregnancy where a non-viable fetus becomes enclosed within a normally developing fetus.
Epidemiology
Fetus-in-fetu is very rare, with an incidence of 1/500,000 live births . This condition is thought to have a 2:1 male predominance .
Clinical presentation
Most patients present with an abdominal mass in the first year of life . There also may be symptoms of mass-effect, such as difficulty feeding .
Pathology
The exact embryogenesis of fetus-in-fetu is controversial - there are two schools of thought:
- some propose it occurs from the anomalous embryogenesis in a diamniotic monochorionic twin pregnancy in which a malformed monozygotic twin lies within the body of its fellow twin
- others consider it to represent a highly organized teratoma
In the vast majority of cases, there is only a single fetoid form present, however rarely there may be multiple, with up to 11 fetoid forms having been reported in one case .
Location
Most occur in the abdomen, with 80% in the retroperitoneal cavity . Other rarer reported locations include:
- cranial cavity
- mediastinum
- scrotum
- pelvis
Radiographic features
Plain radiograph and CT
May typically show a calcified abdominal mass with some components favoring fetal parts within the abdomen (or rarely other parts) of another neonate . This is best seen on cross-sectional imaging rather than plain radiograph .
Different fetal parts may be appreciated :
- vertebral column (most common - ~90%)
- limbs (~80%)
- central nervous system (~55%)
- gastrointestinal tract (~45%)
- vasculature (~40%)
- genitourinary tract (~25%)
Treatment and prognosis
The treatment of choice is total surgical excision . It is considered relatively benign .
History and etymology
Thought to be originally described by Meckel in the late 18 century .
Differential diagnosis
This entity is distinguished from an intrabdominal teratoma by its embryological origin, its unusual location in the retroperitoneal space, its invariable benignity, and by the presence of vertebral organization with limb buds and well-developed organ systems .
See also
Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu Foetus in foeto:
