Bizarre parosteal osteochondromatous proliferation of the temporal bone: A case report.

Mohammed M Kanani, Sara Haseli, Majid Chalian, Kelsey V Maher

Abstract readCase Reports

In one paragraph

Article in Radiology case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it

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0citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Mohammed M KananiSchool of Medicine, University of Washington, Seattle, WA, USA.

Sara HaseliDepartment of Radiology, University of Washington, Seattle, WA, USA.

Majid ChalianDepartment of Radiology, University of Washington, Seattle, WA, USA.

Kelsey V MaherDepartment of Radiology, University of Washington, Seattle, WA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bizarre parosteal osteochondromatous proliferation (BPOP), or Nora's lesion, is a rare benign surface bone lesion typically arising in the hands and feet. We report an unusual case involving the temporal bone in a 63-year-old woman, presenting with progressive external auditory canal obstruction and hearing-related symptoms. Imaging revealed a well-circumscribed osseous mass without corticomedullary continuity, and surgical excision with canaloplasty led to complete symptom resolution. This case expands the recognized anatomical spectrum of Bizarre parosteal osteochondromatous proliferation (BPOP) and underscores the importance of including it in the differential diagnosis of surface bone lesions in the craniofacial region, where even benign processes may result in significant functional impairment due to local anatomy.

Indexed as

Benign bone tumorBizarre parosteal osteochondromatous proliferationExternal auditory canal obstructionNora’s lesionSurface bone lesiontemporal bone

Identifiers

PMID41660392

DOI10.1016/j.radcr.2026.01.020

PMCPMC12878663

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.