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Related Concept Videos

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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Updated: Jun 11, 2025

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas
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OSteosarcoma of Ethmoid Sinus-A Rare Entity.

Ritu K Sheth1, Athira Vishnurag1, Aarti S Pawar1

  • 1Department of ENT, Seth V C Gandhi and M A Vora Municipal General hospital, Rajawadi, Mumbai, India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|October 8, 2024
PubMed
Summary

A rare ethmoid sinus osteosarcoma, initially misdiagnosed as a cyst, was successfully removed via endoscopy. This case highlights the importance of histopathology for diagnosing uncommon craniofacial bone cancers.

Keywords:
Craniofacial osteosarcomaEthmoid sinusOsteogenic sarcoma

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Area of Science:

  • Oncology
  • Otorhinolaryngology
  • Pathology

Background:

  • Osteogenic sarcoma (OS) of the craniofacial region is rare, typically affecting the mandible or maxilla.
  • Primary OS originating in the ethmoid sinus is exceptionally uncommon.
  • Early diagnosis and treatment are crucial for improving outcomes in craniofacial bone tumors.

Purpose of the Study:

  • To report an extremely rare case of primary osteogenic sarcoma of the ethmoid sinus.
  • To emphasize the diagnostic challenges and management of this rare craniofacial malignancy.
  • To highlight the role of histopathological examination in identifying unexpected diagnoses.

Main Methods:

  • A case study of a 34-year-old male with a right medial canthus swelling and diplopia.
  • Diagnostic imaging included Contrast-enhanced Computed Tomography (CECT).
  • Surgical intervention involved transnasal endoscopic removal, followed by histopathological analysis and adjuvant chemotherapy.

Main Results:

  • Initial clinical presentation mimicked a mucous retention cyst.
  • CECT provided detailed anatomical information for surgical planning.
  • Histopathology confirmed a low-grade osteogenic sarcoma, necessitating adjuvant chemotherapy.

Conclusions:

  • This case underscores the rarity of ethmoid sinus osteosarcoma.
  • Accurate diagnosis relies on thorough histopathological evaluation, even with initial benign clinical suspicion.
  • Multidisciplinary management, including surgery and chemotherapy, is essential for rare craniofacial bone sarcomas.