Unusual type of hand preaxial polydactyly

Srinivasa Rao Sirasanagandla, Satheesha B. Nayak*, Mohamed Al Mushaiqri, Mohamed Al-Mushaiqri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Preaxial polydactyly is a common congenital anomaly of the hand. In this anomaly, an additional digit is seen along the preaxial border of the thumb. Several possible types of preaxial polydactyly have been observed and categorized into several types based on the level of duplications. In the present case, we report an unusual type of polydactyly in an approximately 55year-old male cadaver of South Indian origin. An additional nonfunctional digit was noted along the preaxial border of the thumb, at the level of the base of the distal phalanx. Upon careful dissection of the anomalous digit, a thick cord of connective tissue formed by the fibrous flexor sheath around the flexor pollicis longus tendon was noted in its central core. This cordwas surrounded by amass of fatty tissue. The skeletal, muscle and tendon components were found to be absent in the additional digit.

Original languageEnglish
Pages (from-to)170-172
Number of pages3
JournalJournal of Morphological Sciences
Volume35
Issue number3
DOIs
Publication statusPublished - Sep 1 2018

Keywords

  • Cadaver
  • Congenital anomalies
  • Hand
  • Radial polydactyly

ASJC Scopus subject areas

  • Anatomy
  • Histology
  • Cell Biology

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