25 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... Aggressive, Non-Malignant ... Cyst Malignant ... Leiomyosarcoma • Malignant
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
Representative X-ray appearance of a primary malignant bone tumor - Ewings Sarcoma
 • "Interrupted periosteal reaction
appearance of a primary malignant ... bone tumor - Ewings ... transition between bone ... accumulation around the bone ... Labeled #LegXRay #Malignant
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Autoimmune Vasculitis, ILD ... Malignancy: Lung ... Metastatic Dz, Malignant ... effusion Other ... #Differential #Algorithm
Malignant Pericardial Effusion on POCUS

Stable vitals, mild shortness of breath, h/o metastatic breast CA, with obvious
Malignant Pericardial ... Stable vitals, mild ... h/o metastatic breast ... close eye on this one ... #Malignant #Echocardiogram
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 ... Hypercalcemia #Malignancy
Malignant Pericardial Effusion on POCUS Echocardiogram

Which of the following is the most common etiology for this
Malignant Pericardial ... Resolution: Malignancy ... particularly lung, breast ... #Malignant #Pericardial ... Echocardiogram #Cardiology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
inflammatory disorder of bone ... as infectious, malignant ... radiographs of affected areas ... as the collar bone ... , breast bone, pelvis
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
of Pericardial Effusion ... Behcet Syndrome • Malignant ... : Lung Cancer, Breast ... , Melanoma • Malignant ... Diagnosis #Causes #cardiology
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... NONIATROGENIC • Malignancy ... : lung cancer, breast ... have to repeat if malignancy ... Differential #Diagnosis #cardiology