Chiari Malformations 02

Topic: Pediatric

Created on Friday, May 30 2008 by jdmiles

Last modified on Friday, May 30 2008.

 
        A) Chiari malformation
 
        B) Arnold-Palmer malformation
 
        C) Chiari type III malformation
 
        D) Arachnoid cyst
 
        E) Normal MRI
 

 

	= Go back to the top of the page.
	= Reload a different version of this question ().
	= Load a random question from the database.
	= Use this question as a template to create a totally NEW question.
	= Enter detailed rating for this question!
	= How users like you have rated this question.

This question was created on May 30, 2008 by jdmiles.
This question was last modified on May 30, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

---

A) Chiari malformation

This answer is correct.

This MRI shows a Chiari malformation.   (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

B) Arnold-Palmer malformation

This answer is incorrect.

This MRI shows a Chiari type I malformation. Arnold-Chiari is a name originally applied to the Chiari type II malformation. Arnold Palmer is a pro golfer. Alternatively, Arnold Palmer may refer to a tasty beverage consisting of a mixture of lemonade and iced tea.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

C) Chiari type III malformation

This answer is incorrect.

This MRI shows a Chiari type I malformation, with protrusion of the cerebellar tonsils through the foramen magnum. In a Chiari type II, the medulla and 4th ventricle would also be downwardly displaced. A Chiari type III malformation would include an occipital encephalocele, which is not seen in this image.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

D) Arachnoid cyst

This answer is incorrect.

This MRI shows a Chiari malformation, not an arachnoid cyst.   (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

E) Normal MRI

This answer is incorrect.

This MRI shows a Chiari malformation. This is not considered a normal variant.   (See References)

Please log in if you want to rate questions.

 

 

 

 

References:

1. Sklar, E.M.L., Ruiz, A., Quencer, R.M., and Falcone, S.F. (2004). Structural neuroimaging. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, Fourth Edition. Butterworth Heinemann, Philadelphia, pp. 521-597 (ISBN:0750674695).	Advertising:
2. Sarnat, H.B., and Flores-Sarnat, L. (2004). Developmental disorders of the nervous system. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, Fourth Edition. Butterworth Heinemann, Philadelphia, pp. 1763-1789 (ISBN:0750674695).	Advertising:
3. Rosenbaum, R.B., and Ciaverella, D.P. (2004). Disorders of bones, joints, ligaments, and meninges. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, Fourth Edition. Butterworth Heinemann, Philadelphia, pp. 2189-2222 (ISBN:0750674695).	Advertising:
4. Robert I. Grossman, David M. Yousem. Neuroradiology: the requisites. Philadelphia, Pa. : Mosby, c2003. (ISBN:032300508X)	Advertising:

Please log in if you want to rate questions.

 

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
pediatric
Chiari Malformations 02
Question ID: 052908177
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 05/30/2008
Modified: 05/30/2008
Estimated Permutations: 1200