Cardiac
GI
Bone
GU
Neuro
Peds
Faculty
Student
Quizzes
Image DDX
Museum
Mobile
  Misc
Videocasts
Signs
Twitter

 

 


Learning
Radiology:
Recognizing
the Basics
Now Available
on the Kindle
and IPad

LearningRadiology Imaging Signs
on Twitter

  

Follow us on

Case of the Week 454



What is the most likely diagnosis?

  • 63 year-old male with screening skull radiograph prior to MRI



Lateral Radiograph of Skull

  1. Breast Carcinoma
  2. Renal Cell Carcinoma
  3. Eosinophilic Granuloma
  4. Paget Disease
  5. Frontal Sinusitis

Additional Image - Frontal Radiograph of Skull

 

Additional Images

 

Frontal Radiograph of Skull


Answer:

.


4. Osteoporosis Circumscripta in Paget Disease

.

.

More (Click Discussion Tab)

 

 

Osteoporosis Circumscripta in Paget Disease

 

General Considerations

  • Multifocal chronic skeletal disease due to chronic paramyxoviral infection
  • Found in about 3% of individuals >40 years; 10% of persons >80 years
    • Unusual <40 years
  • Strong male to female ratio of 2:1
  • Histology
    • Increased resorption and increased bone formation
    • Newly formed bone abnormally soft with disorganized trabecular pattern
  • Active or Osteolytic phase
    • Aggressive bone resorption with lytic lesions

 

MORE . . .

 


.

This Week
63 year-old male with screening skull radiograph prior to MRI
 
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


Now Open!

LearningRadiology
Named Magazine's
"25 Most Influential"

See Article on LearningRadiology
in August, 2010
RSNA News

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.