22 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 #
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... metastasis: • Breast ... and tumor (Ill-defined ... #BoneTumors #Malignant ... #Radiology #Diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... renal, Bladder, Breast ... Miscellaneous - Bone ... Hyperthyroid, Bony ... #causes #endocrinology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Bone and joint ... Rule out other causes ... as infectious, malignant ... radiographs of affected areas ... , breast bone, pelvis
Malignant Pericardial Effusion on POCUS

Stable vitals, mild shortness of breath, h/o metastatic breast CA, with obvious
Malignant Pericardial ... Stable vitals, mild ... shortness of breath ... h/o metastatic breast ... close eye on this one
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... : Lung Cancer, Breast ... , Melanoma • Malignant ... #cardiology
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 ... lung, 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
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
NONIATROGENIC • Malignancy ... : lung cancer, breast ... OTHER RARE CAUSES ... have to repeat if malignancy ... Differential #Diagnosis #cardiology
Malignant Pericardial Effusion on POCUS Echocardiogram

Which of the following is the most common etiology for this
Malignant Pericardial ... particularly lung, breast ... the most common cause ... the most common cause ... Echocardiogram #Cardiology