17 February 2025
: Case report 
A 20-Year-Old Woman with Metachronous Polyostotic Simple (Unicameral) Bone Cysts in 9 Sites: A Case Report
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease
Nicole Liddy
ABDEF 1, Sten H. Kajitani F 2, John M. Gross BDE 1, Ying Zou DE 1, Brock Lindsey DE 1, Albert J. Aboulafia DE 1*
DOI: 10.12659/AJCR.946165
Am J Case Rep 2025; 26:e946165
Figure 4. (A) Single-view radiograph of left humerus: a well-defined, expansive radiolucent lesion with marked thinning of lateral cortex without fracture or periosteal new bone (red arrow). (B) AP radiograph of left tibia and fibula: 2 well-defined radiolucent lesions measuring 5.3 cm in the proximal metaphyseal tibia to the subchondral medial plateau (yellow arrow) and 3.5 cm in the distal tibia extending to the plafond with sclerotic borders medially (purple arrow). (C) AP radiograph of the pelvis: a well-defined, radiolucent expansile lesion seen within the superior (blue arrows) and inferior (orange arrows) pubic rami extending into the medial acetabulum. AP – anteroposterior.