Monostotic fibrous dysplasia of the sphenoid sinus: a serendipitous finding on a bone scan

A 22-year-old woman had a Tc-99m MDP whole-body scan for low back pain. A focal area of increased activity was seen in the skull base in the region of the sella turcica. A computed tomographic examination showed ground-glass opacification of the sphenoid sinus and bony sclerosis along its walls, cha...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 25; no. 6; p. 477
Main Authors Srinivas, N, DeLong, S R, Amilineni, V K
Format Journal Article
LanguageEnglish
Published United States 01.06.2000
Subjects
Adult
Female
Fibrous Dysplasia, Monostotic - diagnostic imaging
Humans
Low Back Pain - diagnostic imaging
Osteosclerosis - diagnostic imaging
Paranasal Sinus Diseases - diagnostic imaging
Radionuclide Imaging
Radiopharmaceuticals
Sella Turcica - diagnostic imaging
Skull Base - diagnostic imaging
Sphenoid Sinus - diagnostic imaging
Technetium Tc 99m Medronate
Tomography, X-Ray Computed
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Summary:A 22-year-old woman had a Tc-99m MDP whole-body scan for low back pain. A focal area of increased activity was seen in the skull base in the region of the sella turcica. A computed tomographic examination showed ground-glass opacification of the sphenoid sinus and bony sclerosis along its walls, characteristic of fibrous dysplasia. Monostotic fibrous dysplasia, the more common form compared with the polyostotic variety, occurs in 70% to 80% of all patients with fibrous dysplasia. Monostotic lesions usually involve the ribs, femur, tibia, cranium, maxilla, and mandible. The frontal and sphenoid bones are the cranial bones most commonly involved.
ISSN:0363-9762
DOI:10.1097/00003072-200006000-00021