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Related Experiment Videos

Factitious lambdoid perisutural sclerosis: does the "sticky suture" exist?

N Rollins1, F Sklar

  • 1Department of Radiology, Children's Medical Center, 1935 Motor Street, Dallas, TX 75235, USA.

Pediatric Radiology
|January 1, 1996
PubMed
Summary

Perisutural sclerosis is often used to diagnose lambdoid synostosis. However, this case shows the suture was open despite radiographic signs, questioning its diagnostic accuracy.

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Area of Science:

  • Neurosurgery
  • Pediatric Radiology
  • Craniofacial Surgery

Background:

  • Lambdoid synostosis is a premature fusion of the lambdoid suture, leading to abnormal head shape.
  • Perisutural sclerosis, a radiographic finding, is commonly used to indicate impending lambdoid synostosis.

Observation:

  • A patient presented with occipital flattening, suspected to be caused by lambdoid synostosis based on perisutural sclerosis observed in radiographs.
  • Surgical and histological examination revealed that the lambdoid suture was patent (open).

Findings:

  • Radiographs of the surgical specimen did not show perisutural sclerosis.
  • The case challenges the reliability of perisutural sclerosis as a sole radiographic indicator for diagnosing or predicting lambdoid synostosis.

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Implications:

  • Clinical diagnosis of lambdoid synostosis may require a multi-faceted approach beyond relying solely on perisutural sclerosis.
  • Further research is needed to validate or refine the diagnostic criteria for lambdoid synostosis.
  • This finding may impact surgical decision-making in pediatric craniofacial cases.