21 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Principal patterns ... column lesion, e.g ... MS: loss of proprioception ... Diagnosis #Neurology #Patterns ... Comprehensive Review in Clinical
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
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Differential Diagnosis Algorithm ... / Ricketts - Diffuse ... Malignancy • Drugs (e.g ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Amy Chung, MD, MSc ... #differential #algorithm
Anaplastic large cell lymphoma, ALK+
Clinical
 • First 3 decades of life, M>F
 • Often nodal +
lymphoma, ALK+ Clinical ... Lymphohistiocytic pattern ... • Small cell pattern ... • Hodgkin-like pattern ... • Composite pattern
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... (II, III, AVF)(pattern ... seen in 34% of cases ... Pulmonary #Embolism #ECG ... #clinical #cardiology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... planopilaris Pattern ... Psychological stress #Diffuse ... #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
recent DAN) • EMG ... Goodpasture's cause ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns