50 results
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
reaction - Helminth infection ... CD3-CD4+ T cells ... aspergillosis - Viral infections ... HIV, HTLVI) - Chronic ... 3, DOCK8) - Chronic
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... - Renal infection ... Urinary tract infection ... contamination #Urine #Microscopy
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
Aspiration on Microscopy ... CT abd/pelvis shows ... Is a major cause ... Salmonella #Aspiration #Microscopy ... clinical #pathology #microbiology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... History of Bleeding, Infection ... Age > 50 • Chronic ... Reed-Sternberg Cells
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... variety of acute and chronic ... can be either infectious ... or non-infectious ... #Urine #Microscopy
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... Autoimmunity • Chronic ... disease • Infectious ... DDX - Other causes ... Malignancies • Chronic
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... sweats, chills (infection ... serious underlying dx ... lung disease #Chronic ... Diagnosis #Algorithm #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood cells ... on urine microscopy ... with polyangiitis/microscopic ... glomerulonephritis • Post-Infectious
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Diagnosis Algorithm Infection ... Myeloproliferative Disorder • Chronic ... pancytopenia, blast cells ... Diagnosis #Algorithm #Causes
Important organisms in Chronic Granulomatous Disease (CGD):
 - Staph aureus
 - Serratia marcescens
 - Burkholderia cepacia
Important organisms in Chronic ... febrilepodcast.com] #CGD #Chronic ... Granulomatous #Disease #infections ... #differential #ddx ... #diagnosis #microbiology