Open AccessThe first histological observation of a C1 posterior arch defect
Author(s) -
YuAn Fang,
Tsuyoshi Saga,
Joe Iwanaga,
Aaron S. Dumont,
R. Shane Tubbs
Publication year - 2023
Publication title -
folia morphologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.333
H-Index - 30
eISSN - 1644-3284
pISSN - 0015-5659
DOI - 10.5603/fm.a2022.0035
Subject(s) - histology , arch , anatomy , cadaver , medicine , pathology , civil engineering , engineering
Deficiencies in the posterior arch of C1 have been well-studied with incidences ranging from 5.65% to 3% and five different classifications. Unfortunately, there is a paucity of information describing the detailed anatomy, muscle attachments, and histology of cases with a C1 posterior arch deficiency. We found a case of an isolated unilateral posterior arch defect in the 83-year-old male cadaver. Histology revealed that the posterior arch defect was filled with collagen fibres and fibrocartilaginous tissue without muscle or bony tissues. This is the first report detailing the histological findings of a posterior arch defect of C1.