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Inflammation p.1. SYLLABUS: Robbins and Cotran , Pathologic Basis of Disease , Chapter : Acute and Chronic Inflammation (al l). Inflammation p.1. 103 Lobar pneumonia 106 Appendicitis 15 5 Nasal polyp Pericarditis (fribrionous) Follicular hyperplasia of the lymph node

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inflammation p 1
Inflammation p.1

SYLLABUS:

Robbinsand Cotran, PathologicBasis of Disease, Chapter:

Acuteand ChronicInflammation(all)

inflammation p 11
Inflammation p.1

103Lobar pneumonia

106Appendicitis

155 Nasal polyp

  • Pericarditis (fribrionous)
  • Follicular hyperplasia of the lymph node

119Candidiasis (esophagus)

slide3

Lobar pneumonia

  • alveoli filled with fibrinous exsudate
  • (fibrin stain)
slide6

Appendicitis

  • neutrophilic inflammatory infiltration of all the layers of appendix
  • possible mucosal ulcerations, inflammatory exsudate in the lumen of appendix, necrosis of the wall extending to serosa
slide10

Nasal polyp

  • edematous mucosa with a loose stroma
  • often hyperplastic or cystic mucous glands
  • a variety of inflammatory cells, including neutrophils, eosinophils, and plasma cells with occasional clusters of lymphocytes
slide13

Pericarditis (fibrinous inflammation)

  • fibrinous exsudate (eosinophilic meshwork of threads and amorphous masses) covering pericardium
slide16

Follicular hyperplasia of the lymph node

(Reactive lymphoid hyperplasia, follicular pattern)

  • increase in number and size of germinal centers, due to expansion of follicular center, occasionally of mantle as well
  • follicular polarization retained
slide19

Candidiasis (esophagus)

Organisms:

a mixture of budding yeast forms (blastoconidia) and pseudohyphae, tubular structures separated by narrowed areas

Tissue reaction:

usually purulent but may be minimal or granulomatous