10 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Diagnosis Algorithm ... 90%, Abnormal Abdominal ... Ultrasound High ... #Causes #Hematology
Portal venous gas on hepatic ultrasound: A concerning finding in the critically ill patient that should
gas on hepatic ultrasound ... reflection on the differential ... ileus), intra-abdominal ... variety of other causes ... #hepatology #liver
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Skin biopsy • Abdominal ... ultrasound # ... #Causes #dermatology
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... displaces medially → CHRONIC ... Perthes #lesion #clinical ... #mri #clinical
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
= nonspecific (nausea ... , vomiting, abdominal ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Maternal Support - Critical
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
injury of the knee ... • Chronic injury ... Differential diagnosis ... #patella #knee ... #clinical #mri #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... oligoclonal bands • MRI ... Eosinophilia, asthma, chronic ... tract, and often causes ... gut involvement, abdominal
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... encounters due to NTM: Chronic ... Hematologic malignancy ... enzymes, diarrhea, abdominal ... NTM #Infections #differential
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
Can present with chronic ... Differential Diagnosis ... - Can cause ... #degeneration #knee ... #clinical #mri
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Case description ... tenosynovitis due to chronic ... Differential diagnosis ... tendon subluxation/dislocation ... #mri #clinical