Question:

A patient with pneumatocyst presents with:
1. Fever.
2. Pain.
3. Pathological fracture.
4. Incidental.
5. Swelling and erythema.





Answer:

The correct answer for the question "A patient with pneumatocyst presents with:" is:

4. Incidental.



Explanation
1- Pneumatocysts is asymptomatic, usually brought to our attention while imaging the patient for other reasons. [Intraosseous pneumatocysts are innocuous and are usually discovered incidentally in a patient who has another complaint unrelated to these lesions; however, some patients showed symptoms in a region close to the cyst, but these have been proven to be unrelated to the original complaint.]



2- No pain is associated with intraosseous pneumatocyst.



3- No pathological fracture is seen so far in association with intraosseous pneumatocyst.



4- Pneumatocyst is an incidental finding seen while imaging the patient for other reasons.



5- Pneumatocyst is not associated with swelling or erythema.



From the manuscript:
Incidental Intraosseous Pneumatocyst with gas-density-fluid level in an adolescent: a case report and review of the literature
Radiology Case. 2014 Mar; 8(3):16-22


This article belongs to the MSK section.




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From the manuscript

Incidental Intraosseous Pneumatocyst with gas-density-fluid level in an adolescent: a case report and review of the literature

Free full text article: Incidental Intraosseous Pneumatocyst  with gas-density-fluid level in an adolescent:  a case report and review of the literature

Abstract
Intraosseous pneumatocyst is a gas containing lesion located within a bone. It is a relatively rare condition of unclear etiology and with an undetermined natural course. Gas-density-fluid level pneumatocyst is even rarer. Pneumatocyst is frequently seen in adults but rarely reported in pediatrics. The lesion is usually small and is seen in the vertebral bodies as well as around the sacroiliac joints. Rarely does it occur in other parts of the skeleton. We are reporting a case of large blood signal intensity containing intraosseous pneumatocyst in a 14 year old boy and reviewing other pediatric cases of pneumatocysts as well as those with gas-density-fluid level. The recognition of this incidental rare benign lesion is essential to avoid over investigation and an inappropriate aggressive intervention.






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