Citation, DOI, disclosures and case data
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Rudimentary accessory rib arising from the right side of L1. 12 pairs of normal ribs are seen.
No other chest findings of note.
This was an incidental finding on a chest radiograph performed for a febrile illness.
Lumbar (a.k.a. 13th) ribs are anecdotally very rare, although their true incidence is unknown 1.
- 1. Chengetanai S, Nchabeleng E, Bacci N, Billings B, Mazengenya P. Supernumerary Lumbar Ribs: A Rare Occurrence on an Adult African Male Skeleton. Anat Cell Biol. 2017;50(2):155-8. doi:10.5115/acb.2017.50.2.155 - Pubmed
- 2. T.C. Telger (Translator). Koehler / Zimmer's Borderlands of Normal and Early Pathological Findings in Skeletal Radiography. (2003) ISBN: 9783137841050 - Google Books