confusion about ostitis fibrosa cystica! - 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 08-04-2011
USMLE Forums Guru
 
Steps History: Not yet
Posts: 417
Threads: 74
Thanked 131 Times in 94 Posts
Reputation: 141
Default confusion about ostitis fibrosa cystica!

guys i am confused about osteitis fibrosa cystica, in goljan i read it under chronic renal failure (crf) and it said that there is hypocalcemia ...
but now i am reading it in musculoskeletal section where it says that there is hypercalcemia!
rest is same in both like PTH INC, PHOSPHATE DEC!
does anyone know what is the cause for ostitis fibrosa cystica ? is it due to CRF? which leads to hypovitaminosis D?
plus also is it primary hyper parathyroidism or secondary hyper parathyroidism?

Last edited by salz; 08-04-2011 at 10:09 AM.
Reply With Quote Quick reply to this message



  #2  
Old 08-06-2011
USMLE Forums Guru
 
Steps History: Not yet
Posts: 417
Threads: 74
Thanked 131 Times in 94 Posts
Reputation: 141
Default

40 views and noone answered?
didn't all 40 viewers know the answer?
c'mon guys!!
Reply With Quote Quick reply to this message
  #3  
Old 08-06-2011
val7's Avatar
USMLE Forums Master
 
Steps History: CS Only
Posts: 557
Threads: 29
Thanked 296 Times in 186 Posts
Reputation: 316
Default

Quote:
Originally Posted by salz View Post
guys i am confused about osteitis fibrosa cystica, in goljan i read it under chronic renal failure (crf) and it said that there is hypocalcemia ...
but now i am reading it in musculoskeletal section where it says that there is hypercalcemia!
rest is same in both like PTH INC, PHOSPHATE DEC!
does anyone know what is the cause for ostitis fibrosa cystica ? is it due to CRF? which leads to hypovitaminosis D?
plus also is it primary hyper parathyroidism or secondary hyper parathyroidism?

I checked in Harrison's, and they list it with primary hyperparathyroidism (which leads to hypercalcemia). But I think it occurs with secondary hyperparathyroidism too (which can be due to CRF), in which case it would be associated with hypocalcemia. So in conclusion, PTH is always increased and Calcium is increased in primary hyperparathyroidism and decreased in secondary hyperparathyroidism.
From what I understand Osteitis fibrosa cystica is a severe form of hyperparathyroidism and occurs in advanced hyperparathyroidism.

... hope I could help you!
Reply With Quote Quick reply to this message
The above post was thanked by:
salz (08-06-2011)
 
  #4  
Old 08-06-2011
USMLE Forums Guru
 
Steps History: Not yet
Posts: 417
Threads: 74
Thanked 131 Times in 94 Posts
Reputation: 141
Default

thanks! i think this is it then...
if it is secondary cuz of renal failure then there will be hypocalcemia and if it is due to primary cause of hyper PTH then there will be hypercalcemia!
Reply With Quote Quick reply to this message
  #5  
Old 08-06-2011
val7's Avatar
USMLE Forums Master
 
Steps History: CS Only
Posts: 557
Threads: 29
Thanked 296 Times in 186 Posts
Reputation: 316
Default

Quote:
Originally Posted by salz View Post
thanks! i think this is it then...
if it is secondary cuz of renal failure then there will be hypocalcemia and if it is due to primary cause of hyper PTH then there will be hypercalcemia!

exactly! glad i could help.
Reply With Quote Quick reply to this message



Reply

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
Treatment of ALL Confusion Dr_Kal_El USMLE Step 1 Forum 1 04-04-2011 10:31 AM
ABO compatibility confusion wonder USMLE Step 1 Forum 4 02-14-2011 04:19 PM
A querry/Confusion about UW and CK doctorKEMC USMLE Step 2 CK Forum 2 02-12-2011 09:59 AM
CS Course Confusion FSUSTC USMLE Step 2 CS Forum 4 02-24-2010 07:39 AM

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)