What brain tumor here; CT-image and Biopsy! - USMLE Forums
USMLE Forums Logo
USMLE Forums         Your Reliable USMLE Online Community     Members     Posts
Home
USMLE Articles
USMLE News
USMLE Polls
USMLE Books
USMLE Apps
Go Back   USMLE Forums > USMLE Step 1 Forum

USMLE Step 1 Forum USMLE Step 1 Discussion Forum: Let's talk about anything related to USMLE Step 1 exam


Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 11-02-2011
USMLE Forums Guru
 
Steps History: 1+CK+CS
Posts: 333
Threads: 162
Thanked 282 Times in 146 Posts
Reputation: 292
CT Scan What brain tumor here; CT-image and Biopsy!

A contrast enhanced CT scan of the brain is shown below:

What brain tumor here; CT-image and Biopsy!-ct-brain.jpg
click image to enlarge

The figure below also shows the biopsy obtained from the brain lesion:

What brain tumor here; CT-image and Biopsy!-brain-tumor-histo.jpg
click image to enlarge

A diagnosis of brain tumor is made by both pathologist and neurologist. Which type of cells does the tumor arise from?

A) Oligodendrocytes
B) Astrocytes
C) Purkinje cells of cerebellum
D) Arachnoidal cells of the meninge
E) kupffer cells
G) Pyramidal cells
Reply With Quote Quick reply to this message
The above post was thanked by:
belindalimm (11-03-2011), Gulara (11-04-2011), MANIAKOS (11-03-2011)



  #2  
Old 11-02-2011
shyangel18's Avatar
USMLE Forums Guru
 
Steps History: 1 + CS
Posts: 388
Threads: 48
Thanked 237 Times in 128 Posts
Reputation: 247
Send a message via MSN to shyangel18
Default

B astrocytes??.. Glioblastoma multiformee.. cuz the histology showz many Blood vessels
__________________
Ppl come here to study n ponder
I am here to Excell like Thunder!
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Reply With Quote Quick reply to this message
  #3  
Old 11-03-2011
USMLE Forums Guru
 
Steps History: Step 1 Only
Posts: 342
Threads: 50
Thanked 197 Times in 103 Posts
Reputation: 207
Default

sooper dooper magnified images

it's on convexity
slide shows brown pigmentation(it's highly zoomed so distorting some facts)

so my answer in meningioma
and option is D

is it so?
Reply With Quote Quick reply to this message
 
  #4  
Old 11-03-2011
USMLE Forums Master
 
Steps History: Not yet
Posts: 674
Threads: 264
Thanked 959 Times in 393 Posts
Reputation: 969
Send a message via Yahoo to ricko335
Default

Astrocytoma rosenthal fibres cork screw appearance
Reply With Quote Quick reply to this message
  #5  
Old 11-03-2011
USMLE Forums Guru
 
Steps History: Not yet
Posts: 404
Threads: 108
Thanked 71 Times in 48 Posts
Reputation: 80
Default

pilocytic astrocytooma
Reply With Quote Quick reply to this message
  #6  
Old 11-03-2011
USMLE-Syndrome's Avatar
USMLE Forums Master
 
Steps History: ---
Posts: 1,203
Threads: 180
Thanked 1,251 Times in 441 Posts
Reputation: 1265
Default

B) Astrocytes
Reply With Quote Quick reply to this message
  #7  
Old 11-03-2011
USMLE Forums Scout
 
Steps History: Not yet
Posts: 62
Threads: 5
Thanked 23 Times in 14 Posts
Reputation: 33
Default

D) Arachnoidal cells of the meninge
Reply With Quote Quick reply to this message
  #8  
Old 11-03-2011
dr.muhamad's Avatar
USMLE Forums Guru
 
Steps History: 1 + CS
Posts: 300
Threads: 22
Thanked 97 Times in 62 Posts
Reputation: 107
Default

DDDDDDDDDDDDDDDDDDDDDDDDd
Reply With Quote Quick reply to this message
  #9  
Old 11-03-2011
USMLE Forums Addict
 
Steps History: Not yet
Posts: 192
Threads: 0
Thanked 47 Times in 40 Posts
Reputation: 57
Default

It looks like menengioma to me
Reply With Quote Quick reply to this message
  #10  
Old 11-03-2011
USMLE Forums Guru
 
Steps History: 1+CK+CS
Posts: 333
Threads: 162
Thanked 282 Times in 146 Posts
Reputation: 292
Correct Answer Answer

This is a typical case of meningioma. The histology shows the whorled pattern. Meningioma originates in Arachnoidal cells of the meninge.
Reply With Quote Quick reply to this message
The above post was thanked by:
belindalimm (11-03-2011), dr.muhamad (11-03-2011), N Nur (11-11-2011), usluipek (11-04-2011)



Reply

Tags
CT-Images, Micrographs-, Nervous-System-, Pathology-, Step-1-Questions

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the USMLE Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Medical School
Choose "---" if you don't want to tell. AMG for US & Canadian medical schools. IMG for all other medical schools.
USMLE Steps History
What steps finished! Example: 1+CK+CS+3 = Passed Step 1, Step 2 CK, Step 2 CS, and Step 3.

Choose "---" if you don't want to tell.

Favorite USMLE Books
What USMLE books you really think are useful. Leave blank if you don't want to tell.
Location
Where you live. Leave blank if you don't want to tell.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Brain Tumor Common in HIV patients! usmleman2020 USMLE Step 1 Forum 7 01-06-2016 05:26 AM
Rosette Pattern Brain Tumor! Evergreen USMLE Step 1 Forum 6 11-03-2011 04:22 PM
Brain Tumor with MRI and biopsy? Evergreen USMLE Step 1 Forum 4 11-03-2011 03:39 AM
Adult Primary Brain Tumor jackat1000 USMLE Step 1 Mnemonics 1 01-19-2010 05:36 PM
Childhood Primary Brain Tumor jackat1000 USMLE Step 1 Mnemonics 0 01-19-2010 02:30 PM

RSS Feed
Find Us on Facebook
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.

USMLE® & other trade marks belong to their respective owners, read full disclaimer
USMLE Forums created under Creative Commons 3.0 License. (2009-2014)