47 results
Macrophage consuming Bacteria on Microscopy

#Macrophage #consuming #Bacteria #Microscopy #clinical #microbiology
Macrophage consuming ... on Microscopy #Macrophage
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Histopathologic features • Macrophage ... : Evidence of macrophage ... exchange #MAS #Macrophage
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
typically a drug) -> Macrophage ... Cells activate macrophages
Trichomonas on Urine Microscopy
Trichomonas organism adjacent to WBC’s and a macrophage - brightfield with SM stain
to WBC’s and a macrophage
Pathology - Hepatocyte Pigments

Lipofuschin (H&E) 

Alpha-I-antitrypsin globules (PAS-D) 

Mallory's hyaline / Mallory Denk Bodies 

Giant Mitochondria
/ ceroid-laden macrophage
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
phagocytized by macrophages ... meal (ingests macrophages
Gaucher Disease 

Pathophsiology
 • Lysosomal storage disorder
 • Deficiency of ß-glucocerebrosidase
• Accumulation of glucosylceramide in macrophages
Diagnosis
glucosylceramide in macrophages
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Exposure -> APC (macrophages ... , eosinophils, macrophages
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
neutrophils and macrophages
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
killer cells, macrophages ... which activate macrophages