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Ribs are curved, flattened bones forming the thoracic cavity wall with the thoracic muscles. There are 12 pairs of thoracic ribs. The posterior ends of all the ribs articulate with the T1–T12 thoracic vertebrae. In contrast,the anterior ends of most ribs attach to the sternum via their costal cartilages.
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Related Experiment Video

Updated: Jul 5, 2026

Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome

Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome

Published on: September 13, 2020

Aneurysmal bone cyst in the first rib.

Chao Cheng¹, Sai-Ching J Yeung, Fo-tian Zhong

¹Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Peoples Republic of China.

The Annals of Thoracic Surgery

|May 24, 2008

Summary

Aneurysmal bone cysts (ABCs) are rare in ribs. This report details two first rib ABC cases, highlighting surgical approaches and recurrence management for this benign skeletal tumor.

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A Surgical Procedure for Resecting the Mouse Rib: A Model for Large-Scale Long Bone Repair

A Surgical Procedure for Resecting the Mouse Rib: A Model for Large-Scale Long Bone Repair

Published on: January 21, 2015

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Last Updated: Jul 5, 2026

Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome

Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome

Published on: September 13, 2020

A Surgical Procedure for Resecting the Mouse Rib: A Model for Large-Scale Long Bone Repair

A Surgical Procedure for Resecting the Mouse Rib: A Model for Large-Scale Long Bone Repair

Published on: January 21, 2015

Area of Science:

Orthopedics
Surgical Oncology
Radiology

Background:

Aneurysmal bone cyst (ABC) is a rare, benign, expansile bone tumor.
Rib ABCs are exceptionally uncommon, presenting diagnostic and therapeutic challenges.
This study focuses on ABCs specifically affecting the first rib.

Observation:

Two cases of first rib ABC are presented.
Case 1: A 21-year-old female with a left first rib ABC treated with L-incision resection.
Case 2: A 42-year-old male with a right first rib ABC initially resected via posterolateral incision, followed by recurrence.

Findings:

The recurrent ABC in Case 2 was successfully managed with en bloc resection.
Complete resection is crucial for preventing recurrence of first rib ABCs.
Review of etiology, clinicopathology, and treatment modalities for rib ABCs.

Implications:

First rib ABCs require careful surgical planning and execution.
En bloc resection may be necessary for complete tumor removal and preventing recurrence.
Further research into the optimal management of rare skeletal ABCs is warranted.