11 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Solid Tumors: Lung ... renal, Bladder, Breast ... Miscellaneous - Bone ... Hyperthyroid, Bony ... #causes #endocrinology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Hypercalcemia of Malignancy ... resorption in the bone ... resorption in the bone ... , Renal Cell, Breast ... Differential #Diagnosis #algorithm
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
D) Increased bone ... Paget's disease of bone ... Malignancy • ... Multiple myeloma (bone ... metastases: thyroid, breast
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
/lsotretinoin Malignancy ... Breast, Kidney, ... Lung) • Cytokine-Mediated ... Bone Resorption ... Lymphomas) Metastatic Bone
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Large volume feeding ... • Diminished breath ... polyangiitis) • Malignancy ... #differential #causes
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Vascular Causes ... Infiltration: Often breast ... CA, small cell lung ... RBC (hemolysis, bleeding ... hemolysis) • ALP: Bone
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
sudden-onset shortness of breath ... neck (shown in video ... and spaces can cause ... travels from these areas ... in subcutaneous areas
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... stimulates our body ... : neuro, heme (bleeding ... , this list is long
Bleeding Risk for Various Invasive/Surgical Procedures
Low Risk:
 • Dental extractions (1 or 2 teeth), endodontic (root
surgery (e.g. breast ... • Non-cataract ophthalmologic ... procedures (e.g. bone ... replacement) • Lung ... Perioperative #Procedures #Table