Module 6: Acquired disorders

Question 1

Whooping cough

Answer 1

Cause: Bordetella pertussis infection
Lab results: High WBC and relative and absolute lymphocytosis
RBC and plt normal

Question 2

Infectious Lymphocytosis

Answer 2

Cause: Coxsackie A virus or adenovirus
Lab results: High WBC; relative and absolute normal appearing lymphocytosis

Symptoms like infectious mono but Monotest is neg

Question 3

Rubella

Answer 3

Cause: Rubella virus

Lab results: Lymphocytopenia is common (Relative reactive lymphocytosis)

Question 4

Lupus erythematosus

Answer 4

Cause: Autoimmune disorder of unknown cause

Lab results: Pancytopenia; indirect Fluorescent antibody test for anti-nuclear antibody (ANA) is pos