Abstract
Bizarre parosteal osteochondromatous proliferation (BPOP), or Nora's lesion, was first
described by Nora et al. in 1983 as a rare, tumor-like lesion involving the bones
of the hands and feet. Popliteal artery pseudoaneursyms in the pediatric population
are also unusual. Here, we present a case of a young male with a popliteal artery
pseudoaneurysm and distal femur lesion originally thought to be an osteochondroma.
A 10-year old, Caucasian male was referred to our facility following an MRI concerning
for a popliteal artery pseudoaneurysm. On physical exam, there was a palpable 5×5-cm pulsatile mass in the upper popliteal fossa with a normal pulse exam bilaterally.
A computed tomographic angiogram demonstrated a 4.5-cm by 1.8-cm by 3.6-cm pseudoaneurysm
adherent to a 3.5-cm thick, exostotic lesion of the posterior right femur. He was
taken to the operating room for repair of the popliteal pseudoaneurysm and resection
of his bone lesion. The final pathology was consistent with a popliteal pseudoaneurysm,
osteochondroma, and bizarre parosteal osteochondromatous proliferation (BPOP), otherwise
known as Nora's lesion. The location of the lesion and the age of our patient were
both atypical for BPOP and to our knowledge, this represents the first report of a
resulting popliteal artery pseudoaneurysm.
Key words
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Article info
Publication history
Accepted:
September 27,
2012
Received in revised form:
September 21,
2012
Received:
June 2,
2012
Identification
Copyright
© 2012 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
