Banana-like Appearance of Rib Fibrous Dysplasia in Bone Scintigraphy and Single-Photon Emission Computed Tomography (SPECT).

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.