35 results
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
spontaneous bleeding secondary ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #Rash #Petechiae ... Thrombocytopenia #UCSDH
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum has occured secondary ... Streptococcal infection ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... ENodosum #Photo #UCSDH
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... bacterial skin infection ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Viral: Measles, Infectious ... Meningococcal meningitis, Secondary ... SCVMCMed #Fever #Rash ... Differential #Diagnosis #dermatology
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 ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... deficiency Infections ... • Epstein-Barr virus ... Differential #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Differential Diagnosis Secondary ... Thrombocytosis): • Acute infection ... malignancies • Anemia ... Diagnosis #Causes #hematology ... #secondary
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... treatment, the infection ... ▪ “Rash” (75% ... Clinical #Photo #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
leakage of RBC's secondary ... - Hemolytic anemia ... SLE) - Viral infections ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Drug Erruption: Extensive maculo-papular rash secondary to allergic reaction to Amoxicillin.
Chest and hand are shown above.

Charlie
maculo-papular rash ... secondary to allergic ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... #Palms #Photo #UCSDH