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Updated: Jan 18, 2026
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Banana-like Appearance of Rib Fibrous Dysplasia in Bone Scintigraphy and Single-Photon Emission Computed Tomography
Nor Hasniza Abdul Halim1, Idris Ibrahim1, Nadia Mohamed Tarmizi2
1Department of Radiology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia.
Abstract:
The patient, a 37-year-old male, initially presented with per rectal bleed. Colonoscopy revealed a circumferential lesion within the lower rectum, along with a few satellite lesions. At that time, we performed a biopsy, but the histopathological examination revealed consistent solitary rectal ulcer syndrome. Subsequent bone scan revealed increased radiotracer uptake at the left 6th rib, resulting in a "banana-like appearance" and a ground glass appearance on the corresponding single-photon emission computed tomography (SPECT), in keeping with fibrous dysplasia. Given his asymptomatic state, the patient received reassurance and surveillance regarding his benign bone lesion.
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