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Paraspinal Venous Malformation
Joseph Junewick, MD FACR
over 7 years ago
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Intrathoracic Ribs

Case Detail

Anatomy: Chest
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Developmental or Congenital
Created: over 8 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: CT
Activities:
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History

15 year old with back pain.


Case Images


Diagnosis

Intrathoracic ribs.

Findings

XR – Osseous protuberance in the left paraspinal region at T7-8 with normal appearance of the adjacent ribs and vertebrae.

CT – Coronal reformatted image shows pseudoarthrosis of accessory ribs originating from T7 and T8.

Discussion

Intrathoracic ribs result from an incomplete fusion between adjacent sclerotomes during embryogenesis. Usually intrathoracic ribs are asymptomatic but can be a source of pain or other pathology. It is important to recognize this developmental variant and not to confuse it with disease.

Reference

Watkins TW, et al. Atypical intrathoracic rib in a pediatric patient requiring helical CT with 3-D reconstruction for diagnosis. Pediatric Radiol 2008; 38:1003-1005.

Onbas O, et al. Intrathoracic rib: Multidetector computed tomography demonstration. E J Cardio-Th Sur 2005; 27:1113-1114.



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