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The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Updated: Dec 17, 2025

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Cavernous sinus lesions.

Kamran Munawar1, Gopi Nayak1, Girish M Fatterpekar1

  • 1NYU Langone Health, Department of Radiology, New York, NY, United States of America.

Clinical Imaging
|June 24, 2020
PubMed
Summary
This summary is machine-generated.

This review covers cavernous sinus pathologies, including vascular, neoplastic, and inflammatory conditions. It highlights key clinical and imaging features to aid in diagnosing these complex sinus disorders.

Keywords:
Carotid-cavernous fistulaCavernous sinusHead and neckMeningiomaNeuroradiologyTolosa-Hunt syndrome

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Area of Science:

  • Neuroimaging
  • Neurology
  • Pathology

Background:

  • The cavernous sinus is a critical neurovascular structure.
  • It is prone to diverse pathologies including vascular, neoplastic, and inflammatory conditions.

Purpose of the Study:

  • To review clinical and imaging findings of cavernous sinus pathologies.
  • To identify key features that aid in differential diagnosis.

Main Methods:

  • Review of clinical presentations.
  • Analysis of imaging findings (e.g., MRI, CT).
  • Correlation of findings with specific pathologies.

Main Results:

  • Detailed description of vascular pathologies: ICA aneurysms, carotid-cavernous fistulas, thrombosis, hemangioma.
  • Overview of neoplastic involvement: pituitary adenoma, meningioma, schwannoma, lymphoma, metastases.
  • Discussion of inflammatory/infectious diseases: Tolosa-Hunt syndrome, sarcoidosis, granulomatosis with polyangiitis, IgG-4 related disease, fungal infections.

Conclusions:

  • Cavernous sinus pathologies present with varied clinical and imaging characteristics.
  • Recognizing specific features is crucial for accurate diagnosis and management.
  • This review provides a framework for differentiating common cavernous sinus conditions.