Bizarre parosteal osteochondromatous proliferation (BPOP), or Nora lesion, is a rare benign condition that can mimic other pathologies. A case is described of a 66-year-old man with a slowly enlarging nodule on his finger over five years. Imaging showed a parosteal lesion without continuity with the trabecular bone, strongly suggestive of BPOP. The diagnosis was histologically confirmed. This case highlights the importance of recognizing the characteristic imaging features of BPOP. Teaching point: BPOP may appear as a worrisome lesion on imaging, but its typical location and lack of continuity with the trabecular bone should raise awareness for BPOP.
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Dheysel Tenzin
Pieter Van Geel
Jonas De Melio
SHILAP Revista de lepidopterología
Journal of the Belgian Society of Radiology
Ghent University
Ghent University Hospital
AZ Sint-Blasius
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Tenzin et al. (Thu,) studied this question.
www.synapsesocial.com/papers/69a75b5ec6e9836116a22962 — DOI: https://doi.org/10.5334/jbsr.4138