DOI: 10.1177/17531934261475583 ISSN: 1753-1934

Poland Syndrome with transverse upper limb deficiency: beyond the vascular disruption hypothesis

Min Kai Chang, Jean Chiew, Darryl Ee Ming Chew

Poland syndrome classically presents with unilateral pectoral deficiency and ipsilateral symbrachydactyly. We report a neonate with right pectoral deficiency and carpal-level transverse upper limb deficiency without ectodermal elements. This rare phenotype challenges a single-point vascular interruption and supports a dynamic embryonic capillary plexus model.

Level of Evidence: IV

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