Foreign Body GranulomatousReactions to Endogenous Substances

10A- Fecal granuloma, perforated diverticulitis

10B- Fecal granuloma, perforated diverticulitis

10C- Fecal granuloma, perforated diverticulitis

12A- Gout, tophus, urate crystals

12B- Gout, tophus, urate crystals

12C- Gout, tophus, urate crystals

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13A- Gout, tophus, urate crystals

13B- Gout, tophus, urate crystals

4- Lipid granuloma, liver

15- Mucin granuloma, colonic mucosa, mucicarmine stain

16- Giant cell reaction to mucous in bronchiole

1- Bile

2- Cholesterol

3- Hair

5A- Thyroid colloid. Subacute thyroiditis. "Pac-Man" giant cell

5B- Thyroid colloid. Subacute thyroiditis. 

5C- Thyroid colloid. Subacute thyroiditis. 

6- Thyroid colloid. "Palpation" thyroiditis 

7- Degenerating keratinized cells. Squamous cell carcinoma

8- Keratin "pearl". Squamous cell carcinoma

9A- Sperm. Vasitis nodosa

9B- Sperm. Vasitis nodosa

17A- Pneumatosis intestinalis. Reaction to intralumenal gas

17B- Pneumatosis intestinalis. Reaction to intralumenal gas

18A- Amyloid

14- Gout, tophus, urate crystals

11-  Kidney-Multiple myeloma with intratubular light chain casts; "myeloma kidney", "cast nephropathy"

18B- Amyloid

19-  Skin: Pilomatricoma. Granulomatous (giant cell) reaction to keratinized shadow cells