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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...

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Endoscopic Approach for Colloid Cyst Resection
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Evolution of an aneurysmal bone cyst: a case report.

Sonia V Behal1

  • 1Department of Oral Medicine and Radiology, B. R. S. Dental College and Hospital, Panchkula, India. drsoniabehal@yahoo.co.in

Journal of Oral Science
|December 15, 2011
PubMed
Summary

Aneurysmal bone cyst (ABC) in jaws is rare. This study documents an unusual case of jaw ABC transforming from a radiolucent to a radiopaque lesion over 10 months, highlighting its diverse behavior.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Pathology
  • Radiology

Background:

  • Aneurysmal bone cyst (ABC) is an uncommon, non-odontogenic, non-epithelial cyst of the jaws, accounting for ~1.5% of such lesions.
  • Existing literature presents conflicting data regarding the clinical and radiological characteristics of jaw ABCs.
  • Radiographic presentations of ABCs vary, ranging from unilocular or moth-eaten radiolucencies to extensive multilocular lesions.

Observation:

  • This report details a unique case of an aneurysmal bone cyst in the maxillofacial region of a 40-year-old female.
  • The lesion exhibited a remarkable transition over a 10-month period.
  • Initially presenting as a unilocular radiolucent lesion, it evolved into a radiopaque appearance.

Findings:

  • The observed transformation from radiolucent to radiopaque signifies a dynamic and atypical biologic behavior of ABC.

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  • This case challenges the typical understanding of ABC radiographic progression.
  • The findings underscore the variability in ABC presentation and development.

    • Implications:

    • This case highlights the importance of considering diverse presentations and potential transformations in diagnosing jaw cysts.
    • Further research into the biologic mechanisms driving ABC changes is warranted.
    • Clinicians should be aware of the potential for significant radiographic evolution in aneurysmal bone cysts of the jaws.