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| {{Short description|Radiologic sign}} | {{Short description|Radiologic sign}} | ||
| The '''brim sign''' or the '''pelvic brim sign''' is a ] seen in cases of ] of bone involving the pelvis.<ref>{{cite book |title=Signs in Musculoskeletal Radiology |publisher=McGrawHill |url=https://accessphysiotherapy.mhmedical.com/content.aspx?bookid=1788§ionid=123772083 |access-date=29 December 2024 |language=en}}</ref> It refers to thickened and sclerotic changes along the iliopubic line, the anteromedial portion of the pelvic brim. This sign is a key diagnostic marker for pelvic involvement in Paget’s disease and is typically identified on plain radiographs.<ref>{{cite journal |last1=Muthukumaran |first1=V |last2=Kaliyaperumal |first2=S |last3=Warrier |first3=A |title=Enlivening the radiographic features of Paget disease. |journal=BMJ |
The '''brim sign''' or the '''pelvic brim sign''' is a ] seen in cases of ] of bone involving the pelvis.<ref>{{cite book |title=Signs in Musculoskeletal Radiology |publisher=McGrawHill |url=https://accessphysiotherapy.mhmedical.com/content.aspx?bookid=1788§ionid=123772083 |access-date=29 December 2024 |language=en}}</ref> It refers to thickened and sclerotic changes along the iliopubic line, the anteromedial portion of the pelvic brim. This sign is a key diagnostic marker for pelvic involvement in Paget’s disease and is typically identified on plain radiographs.<ref>{{cite journal |last1=Muthukumaran |first1=V |last2=Kaliyaperumal |first2=S |last3=Warrier |first3=A |title=Enlivening the radiographic features of Paget disease. |journal=BMJ Case Reports |date=20 September 2022 |volume=15 |issue=9 |pages=e251006 |doi=10.1136/bcr-2022-251006 |pmid=36127032 |pmc=9490631 }}</ref> | ||
| ==Pathophysiology== | ==Pathophysiology== | ||
| Paget’s disease of bone is a chronic disorder characterized by abnormal bone remodeling. The pelvic brim sign arises due to excessive bone resorption due to increased osteoclastic activity in the early stages of the disease leads to localized bone loss, as well as excessive bone formation during the later stages of the diseases. Compensatory osteoblastic activity results in thickened, sclerotic bone along the iliopubic line. | Paget’s disease of bone is a chronic disorder characterized by abnormal bone remodeling. The pelvic brim sign arises due to excessive bone resorption due to increased osteoclastic activity in the early stages of the disease leads to localized bone loss, as well as excessive bone formation during the later stages of the diseases. Compensatory osteoblastic activity results in thickened, sclerotic bone along the iliopubic line. | ||
Latest revision as of 19:28, 8 January 2025
Radiologic signThe brim sign or the pelvic brim sign is a radiologic sign seen in cases of Paget’s disease of bone involving the pelvis. It refers to thickened and sclerotic changes along the iliopubic line, the anteromedial portion of the pelvic brim. This sign is a key diagnostic marker for pelvic involvement in Paget’s disease and is typically identified on plain radiographs.
Pathophysiology
Paget’s disease of bone is a chronic disorder characterized by abnormal bone remodeling. The pelvic brim sign arises due to excessive bone resorption due to increased osteoclastic activity in the early stages of the disease leads to localized bone loss, as well as excessive bone formation during the later stages of the diseases. Compensatory osteoblastic activity results in thickened, sclerotic bone along the iliopubic line.
The pelvic brim, being a weight-bearing area, shows pronounced changes, including thickening and increased density. These changes manifest radiologically as sclerosis and cortical thickening along the pelvic brim, creating the characteristic sign.
References
- Signs in Musculoskeletal Radiology. McGrawHill. Retrieved 29 December 2024.
- Muthukumaran, V; Kaliyaperumal, S; Warrier, A (20 September 2022). "Enlivening the radiographic features of Paget disease". BMJ Case Reports. 15 (9): e251006. doi:10.1136/bcr-2022-251006. PMC 9490631. PMID 36127032.
- Gentili, Amilcare. "Atlas of signs in Musculoskeletal Radiology". www.gentili.net. Retrieved 29 December 2024.