11 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... Non-Malignant • Giant Cell ... • Aneurysmal Bone ... #Bony #Tumors #
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
the mastoid air cells ... and mastoid air cells ... ) Stage 4: Cell ... into contiguous areas ... postauricular crease
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... /or Non-Active Bone ... Appearance • Osteoid ... malignant) • Giant Cell ... #Orthopedics #Causes
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
blood smear or on bone ... bleeding, infections, bone ... Bone marrow • ... • Headaches, bone ... neutropenia) • Bone
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
production: Small cell ... resorption in the bone ... resorption in the bone ... • Squamous Cell ... , Breast Cancer,
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
D) Increased bone ... Multiple myeloma (bone ... metastases: thyroid, breast ... • Non-small-cell ... cancer • Renal cell
Anterior Vitreous Cells on Slit Lamp Examination

This is a great example of what anterior vitreous cell
Anterior Vitreous Cells ... anterior vitreous cell ... Anterior #Vitreous #Cells ... #SlitLamp #clinical ... #video #ophthalmology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Infiltration: Often breast ... CA, small cell ... fibrosis, Sickle cell ... hemolysis) • ALP: Bone ... intestines, white blood cells
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Giant cell arteritis ... (GCA) Giant cell ... identifies 85 to 95% of cases ... one to two weeks ... required +/- prompt ophthalmology
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Langerhans Cell ... particular affinity for bone ... SPECTRUM Common areas ... pituitary gland • Bone ... Liver, Spleen, Bone