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Related Concept Videos

Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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Related Experiment Video

Updated: Apr 5, 2026

In Vivo Tracking of Edema Development and Microvascular Pathology in a Model of Experimental Cerebral Malaria Using Magnetic Resonance Imaging
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A frontal swelling with a cautionary tale.

Michelle Connolly, Ibraz Siddique, Muzzammil Nusrath

    Journal of the Irish Dental Association
    |August 20, 2015
    PubMed
    Summary

    Frontal sinus mucoceles, common in the paranasal sinuses, can cause serious complications. This case highlights the importance of accurate diagnosis and considering mucoceles in frontal swelling.

    Area of Science:

    • Otolaryngology
    • Neurosurgery
    • Radiology

    Background:

    • Frontal sinus mucoceles are the most frequent type of paranasal mucocele.
    • They arise from inflammatory processes or blockage of the nasofrontal duct, accumulating sterile mucus and cellular debris.
    • Potential complications include infection and expansive growth, leading to varied clinical presentations.

    Observation:

    • A 56-year-old female presented with a frontal swelling.
    • Radiological imaging revealed a frontal sinus mucocele.
    • The mucocele caused an anterior dehiscence of the frontal cortex.

    Findings:

    • The patient's frontal swelling was initially misdiagnosed as an infected sebaceous cyst.
    • Surgical intervention involved incision and drainage of the swelling.

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  • The underlying cause was identified as a frontal sinus mucocele with significant intracranial extension.

    • Implications:

    • This case underscores the critical need for thorough patient history evaluation and correlation with radiological findings.
    • Misdiagnosis of frontal swellings can lead to delayed treatment of serious conditions like mucoceles.
    • Accurate diagnosis and management are crucial to prevent complications arising from frontal sinus mucoceles.