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Updated: May 5, 2026

Microelectrode Array Recording of Sinoatrial Node Firing Rate to Identify Intrinsic Cardiac Pacemaking Defects in Mice
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[Silent sinus syndrome. Clinical case].

L Gómez1, E Fontán1, J C León1

  • 1Servicio de Oftalmología, Hospital Valle de los Pedroches, Pozoblanco, Córdoba, España.

Archivos De La Sociedad Espanola De Oftalmologia
|November 26, 2013
PubMed
Summary
This summary is machine-generated.

Silent sinus syndrome can cause enophthalmos (sunken eye) without typical sinus pain. Early diagnosis via CT scans is crucial to differentiate it from maxillary sinusitis.

Keywords:
EnoftalmosEnophtalmosHipogloboHypoglobusPalpebral fissureSilent sinus syndromeSinusitisSurco palpebralSíndrome del seno silente

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Area of Science:

  • Ophthalmology
  • Otorhinolaryngology
  • Radiology

Background:

  • Silent sinus syndrome is a rare condition.
  • It presents with enophthalmos and hypoglobus without overt sinus symptoms.

Observation:

  • A 53-year-old male presented with progressive enophthalmos and hypoglobus.
  • No history of trauma or typical sinus/nasal symptoms was reported.

Findings:

  • Ophthalmologic examination revealed enophthalmos and hypoglobus.
  • Computed tomography (CT) demonstrated collapsed maxillary and frontal sinuses and a deviated nasal septum.

Implications:

  • This case highlights the importance of considering silent sinus syndrome in patients with enophthalmos.
  • Distinguishing silent sinus syndrome from maxillary sinusitis is critical for appropriate management.