3704 results
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... hyperviscosity syndrome ... SCD, leukemia, myeloma ... or are zebras (…amyloid
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Myelodysplastic syndrome ... MF) • Chronic myeloid ... Differential #Diagnosis #Causes
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... metastases and multiple myeloma ... Other humoral syndromes ... disease - Williams syndrome ... Hypercalcemia #Causes
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome ... - Causes and Treatment ... Plasmapheresis - Multiple myeloma ... Hyperviscosity #Syndrome ... #Causes #Differential
Causes of Splenic Infarcts - Differential Diagnosis
 • Myeloid disorders: Myeloproliferative neoplasms (myelofibrosis, polycythemia vera, essential
Causes of Splenic ... Differential Diagnosis • Myeloid ... Myelodysplastic syndromes ... Antiphospholipid syndrome
Primary and Secondary Causes of Osteoporosis

Primary osteoporosis 
 - idiopathic juvenile osteoporosis 
 -  postmenopausal
and Secondary Causes ... Cushing syndrome ... diseases - multiple myeloma ... Ehlers-Danlos syndrome ... - Marfan syndrome
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... Leukemia, Multiple myeloma ... vasculitis to cause ... Differential #Diagnosis #causes
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
lymphoma, melanoma, myeloma ... Vascular: Budd-chiari syndrome ... Sinusoidal obstruction syndrome ... Differential #Diagnosis #causes
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Paraprotein-associated (POEMS syndrome ... , myeloma, secondary ... amyloid), Paraneoplastic ... differential #diagnosis #causes
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Polycythemia • Multiple Myeloma ... • Budd-Chiari Syndrome ... Diagnosis #Algorithm #Causes