89 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Lymphocytosis: Infection ... • Monocytosis: Infection ... Differential #Diagnosis #causes ... #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Non-infectious (malignancy, rheumatologic ... Differential #Diagnosis #causes ... #Platelets #hematology
Molluscum: Numerous papules caused by viral infection.

Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images

#Clinical #Photo
Numerous papules caused ... by viral infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Tinea Versicolor: Scaly well demarcated patches caused by fungal skin infection.

Charlie Goldberg, M.D. - UCSD Catalog
demarcated patches caused ... by fungal skin infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... : Chronic infections ... Diagnosis #Algorithm #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... malignancies • Infection ... Diagnosis #Algorithm #Causes ... #Hematology
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum: In this case ... Streptococcal infection ... Photo credit, Josh ... Images #Clinical #Dermatology ... Erythema #ENodosum #Photo
Kaposis Sarcoma: Darkly pigmented macules caused by this malignancy. Seen most commonly in
patients with HIV infection.

Charlie
pigmented macules caused ... patients with HIV infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... menstrual - Recent procedures ... - Infection exposure ... practices that could cause ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... drug reaction, infection ... glucocorticoid treatment ... Differential #diagnosis #hematology