30 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Differential Diagnosis ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #dermatology #Differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... leakage of RBC's secondary ... #Diagnosis #hematology ... #nonpalpable #dermatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Diagnosis Algorithm ... Diffuse Congenital - Generalized ... McCune Albright syndrome ... disorders #skin #dermatology ... #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm ... acuminata) • Secondary ... #skinlesions #dermatology ... #causes
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Priapism Secondary ... Causes: Medications ... hyperviscosity syndrome ... #Management #Urology ... #Differential
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Myelodisplastic syndrome ... #Pruritus #secondary ... #systemic #generalized ... #dermatology #Differential ... #causes
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... Erythematosus #SLE #CNS #neurology ... #management #treatment