36 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum has occured secondary ... Streptococcal infection ... Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Autoimmune Diseases: • Systemic ... deficiency Infections ... • Epstein-Barr virus ... #Diagnosis #Hematology
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
exposures, stings, infections ... associated with systemic ... Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... to Systemic Diseases ... Iron deficiency anemia ... #Secondary #dermatology ... #Differential #
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... Thrombocytosis): • Acute infection ... malignancies • Anemia ... Diagnosis #Causes #hematology ... #secondary
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
progressive infection ... less apparent secondary ... As the infection ... Images #Clinical ... #Photo #Dermatology
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
hypotensive with multi system ... at the site of infection ... Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... Diagnosis Algorithm - Systemic ... renal failure/uremia ... Pruritus #primary #secondary ... #dermatology #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... - Hemolytic anemia ... #Diagnosis #hematology ... #nonpalpable #dermatology