9 results
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Diagnosis Hereditary ... ulcerative colitis, Crohn's ... zinc ingestion (e.g ... supplementation) or iron
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... (specifically: iron ... deficiency, hemolysis ... . autoimmune, TB ... #Causes #hematology
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
- Differential Diagnosis ... — Crohn's disease ... Pancreatic lipase deficiency ... Celiac disease • IBD ... #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... G6PD deficiency) ... Wilson's disease, Copper ... #hematology #anemia
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential Diagnosis ... Constitutional disorders, eg ... anemia-rare - Copper ... deficiency-rare ... #causes #hematology
Occult and Lower Gastronintestinal Bleed - Differential Diagnosis Algorithm

Occult (Stool + Occult blood and/or iron deficiency
Occult blood and/or iron ... deficiency anemia ... , asymptomatic IBD ... bowel source (e.g ... #Algorithm #Causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Psoriasis - Elbows ... honey-colored crusts ... Lesions arise in crops ... ; pruritis #dermatology ... #differential #diagnosis
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
be triggered by iron ... deficiency, thyroid ... have or FHx of autoimmune ... with animals (eg ... #differential #diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... myopathies Diagnostic ... Aldolase levels • EMG ... pneumonia (esophagus upper ... statins - probably caused