20 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
in adults - Breast ... - Thyroid - Lung ... Non-Malignant • Giant Cell ... #Orthopedics #Causes ... #Oncology #Radiology
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
aka. cancerous cells ... 200 times more common ... metastasis: • Breast ... • Lung. thvroid ... BoneTumors #Malignant #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... a CXR the most common ... in Langerhans cell ... seen and in many cases ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... Before we call these ... are also common ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... - gastric and breast ... Chest CT: • Ground-glass ... DDX - Other causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eyebrows, perinasal areas ... Erythema with greasy ... - Sun-exposed areas ... with adherent, greasy ... Christmas tree pattern
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
neck (shown in video ... and spaces can cause ... travels from these areas ... in subcutaneous areas ... examination, the most common
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
dyspnea • (Less common ... • CT: Halo sign ... , Shortness of breath ... zone infiltrates ... factor • May cause
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... Infiltration: Often breast ... lung CA, lymphoma ... hemolysis) • ALP: Bone
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
, skin, lungs, and ... areas include the ... bones, skin, lungs ... Imaging: X-rays, CT ... PET-CT / MRI: Staging