The tricho-rhino-phalangeal syndrome(s): Chromosome 8 long arm deletion: Is there a shortest region of overlap between reported cases? TRP I and TRP II syndromes: Are they separate entities?

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Abstract

Critical cytogenetic (re)evaluation of 2 of our own cases of tricho-rhino-phalangeal syndrome II (TRP II), or Langer-Giedion syndrome (LGS), and 10 cases from the literature, suggests that the shortest region of overlap of the 8q deletion is a part of band q24. 1. This region is assumed to be causally related to this syndrome, and possibly also to TRP I syndrome which, therefore, may not be a causally separate entity.

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