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Case of the Week 409 
What is the most likely diagnosis?
- 42 year-old with chronic headaches
Unenhanced axial CT scans of head
- Normal pressure hydrocephalus
- Menigioma
- Bullet wound
- Metastases
- Colloid cyst of the 3rd ventricle
Additional Images - T1 and T2 FLAIR MRI images of brain
Additional Images
T1 and T2 FLAIR MRI images of brain
Answer:
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5. Colloid Cyst of the 3rd Ventricle
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More (Click Discussion Tab)
Colloid Cyst of the Third Ventricle
General Considerations
- Benign, epithelium-lined cysts
- Most common tumor of the third ventricle but rare overall
- Usually found in adults in their 40s or 50s
- Arise from anterosuperior aspect of 3rd ventricle near the foramina of Monro
- Cysts are usually filled with a thick mucus-like material although some are filled with thinner, serous fluid
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This Week
42 year-old with chronic headaches |
Presented as a series of cards, this podcast asks some of the most common causes of neuroimaging findings and diseases making it ideal for a quick review. Can be used as either an audio only or audio/video podcast.; Complements Video Flashcard Podcasts 15, 21,25, 38, 42, 46 and 47. |
Some of the fundamentals of interpreting chest images |
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology |
Recognizing normal and key abnormal intestinal gas patterns, free air and abdominal calcifications |
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls |
How to recognize the most common arthritides |
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| LearningRadiology.com |
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology. |
