Published on: 4/7/2025
A hard lump under the right rib cage can sometimes be due to a type of growth on the bone, like a tumor or cyst. These growths might be benign (non-cancerous) or less commonly more serious, so it is important to get them checked by a doctor.
A lump near the right rib cage may be caused by abnormal growth from the bone. Research has shown that some people can get growths like giant cell tumors, aneurysmal bone cysts, or even intraosseous lipomas in their rib bones. A giant cell tumor is where many cells grow in a lump on the bone, while an aneurysmal bone cyst forms a bubble-like swelling in the rib. An intraosseous lipoma is a rare growth made up of fat cells that happens inside the bone. Most of these are benign, which means they are not cancer, but they might still need treatment or careful watching because they can cause pain, weakness in the bone, or other problems. If someone notices a hard lump in this area, it is important to see a healthcare provider. They can perform tests like imaging studies to understand what the lump is and decide on the best care plan. Always follow professional advice for any health concern.
(References)
Yang E, Li T, Katz A. A giant cell tumor of the bone in the rib cage left to proliferate unfettered for seven years to an extensive size. Respir Med Case Rep. 2021 May 1;33:101419. doi: 10.1016/j.rmcr.2021.101419. PMID: 34401267; PMCID: PMC8348908.
Kamdem M, El Hammoumi M, Amraoui M, Bhairis M, Oukabli M, Kabiri EH. Aneurysmal bone cyst: a rare surgical tumor of the rib. Kardiochir Torakochirurgia Pol. 2021 Dec;18(4):268-271. doi: 10.5114/kitp.2021.112198. Epub 2022 Jan 9. PMID: 35079273; PMCID: PMC8768859.
Sivrikoz MC, Döner E, Durceylan E. Intraosseous lipoma of the rib. Turk Gogus Kalp Damar Cerrahisi Derg. 2019 Oct 23;27(4):590-592. doi: 10.5606/tgkdc.dergisi.2019.18040. PMID: 32082933; PMCID: PMC7018170.
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