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Unusual occurrence of orbital hemangiopericytoma in the zygomatic bone of an adolescent: a case report

Overview of attention for article published in Eye and Vision, May 2018
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Title
Unusual occurrence of orbital hemangiopericytoma in the zygomatic bone of an adolescent: a case report
Published in
Eye and Vision, May 2018
DOI 10.1186/s40662-018-0105-2
Pubmed ID
Authors

Bahram Eshraghi, Hadi Ghadimi, Zohreh Nozarian

Abstract

Hemangiopericytoma and solitary fibrous tumor are considered related variants on the same spectrum and both may essentially be the same tumor. They are infrequently encountered in the orbital region while the zygomatic bone is an extremely rare location for these neoplasms to occur. A 14-year-old boy presented with complaint of deformity of left infraorbital area and a firm, regular mass in the region. Orbital CT scan revealed a well-defined round isodense intraosseous lesion in the lowermost portion of the lateral orbital wall (zygomatic bone), expanding the bone and protruding anteriorly and medially. MRI showed the mass to be heterogenous and strongly enhancing with contrast medium. Inferior transconjunctival orbitotomy was performed and the mass was removed. The histopathologic examination and immunohistochemistry staining results (positive for CD34, CD31 and smooth muscle actin, but negative for CD99, S100, B-cell lymphoma 2 (bcl-2) and desmin) confirmed the diagnosis of hemangiopericytoma. The postoperative course was uneventful, with no evidence of recurrence after 5 years follow up. This case represents the second hemangiopericytoma reported in the zygomatic bone. Although extremely rare, hemangiopericytoma/solitary fibrous tumor might be considered in the differential diagnosis of intraosseous lesions of the orbital and zygomatic region.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 5 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 5 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 2 40%
Student > Postgraduate 1 20%
Unknown 2 40%
Readers by discipline Count As %
Nursing and Health Professions 1 20%
Psychology 1 20%
Medicine and Dentistry 1 20%
Unknown 2 40%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 26 July 2018.
All research outputs
#20,490,417
of 23,053,169 outputs
Outputs from Eye and Vision
#120
of 243 outputs
Outputs of similar age
#286,812
of 326,144 outputs
Outputs of similar age from Eye and Vision
#4
of 9 outputs
Altmetric has tracked 23,053,169 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
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