Prenatal diagnosis of vestigial tail

Abbott, Jodi; Davis, G H; Endicott, B; Pfleghaar, Kathleen M.; Wapner, Ronald J.

doi:10.7863/jum.1992.11.1.53

Cited by 14 publications

(11 citation statements)

References 3 publications

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“…In the present case, spina bifida was excluded by autopsy and radiography. Association of human tail with omphalocele, as in the present case, was reported recently [6,11].…”

Section: Discussionsupporting

confidence: 48%

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Prenatal Diagnosis of ‘True Tail’ with Cartilage Content?

Noack

Reusche²,

Gembruch³

2003

Fetal Diagn Ther

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A human tail is a rare congenital anomaly with a prominent lesion from the lumbosacrococcygeal region. According to Dao and Netzky human tails are classified into ‘true tails’ and ‘pseudotails’. True tails comprise only mesenchymal tissue (adipose, connective, muscle, nerve tissue, blood vessels, and cutis). They are presumed to be remnants of the embryologic tail. All other lumbosacrococcygeal protrusions are summarized as pseudotails. Superficially they may resemble true tails. They contain normal or abnormal tissue, e.g. cartilage, lipoma and glioma. We report a case of prenatal diagnosis of a human tail in association with omphalocele, hydrocephalus and antiphospholipid-antibody syndrome resulting in a severe fetal growth restriction. Due to cartilage content the appendage had to be classified as ‘pseudotail’. However, anatomical position and the decrease of length observed by consecutive ultrasound examinations at 14 and 21 weeks of gestation was suggestive of delayed regression of a ‘true tail’. Furthermore, the association of antiphospholipid-antibody syndrome with congenital malformations is discussed.

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“…In the present case, spina bifida was excluded by autopsy and radiography. Association of human tail with omphalocele, as in the present case, was reported recently [6,11].…”

Section: Discussionsupporting

confidence: 48%

“…Cases of decelerated disappearance of embryonic tails have been described [5]. Early sonographic detection of human tails has been reported recently [6][7][8]. However, it is not known why in some cases tails persist for a longer time or remain until birth.…”

Section: Introductionmentioning

confidence: 99%

Prenatal Diagnosis of ‘True Tail’ with Cartilage Content?

Noack

Reusche²,

Gembruch³

2003

Fetal Diagn Ther

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show abstract

“…At delivery a tail was found. It was mobile, distinct from the anal verge, and without evidence of bony or neural involvement (Abbot et al, 1992). In the present study, dermal abnormalities were observed in all six newborns.…”

Section: Discussionmentioning

confidence: 57%

“…Prenatal sonographic diag-approximately 3 mm in the sacral region (Figs 1 nosis of a tail has previously been reported in one and 2). There was no connection between the fetus at 31 weeks' gestation (Abbot et al, 1992). protrusion and the spine.…”

Section: Introduction Resultsmentioning

confidence: 99%

Early Sonographic Findings Suggestive of the Human Fetal Tail

Zimmer¹,

Bronshtein²

1996

Prenat. Diagn.

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“…Pseudotails are classified by the presence of bony or neural elements . Over 30 cases of fetal sacral appendages or tails diagnosed by sonography have previously been reported . In the majority of these reports, the fetal tail was described as an isolated finding in which the appendage resolved by 22 to 23 weeks’ gestation, and postnatal course was benign, although there are also case reports in which the sacral appendage was noted in the setting of other anomalies .…”

Section: Introductionmentioning

confidence: 99%