Annular elastolytic giant cell granuloma

Question 1

GA variant affecting chronically sun-exposed-skin is called:

Answer 1

Annular elastolytic giant cell granuloma

- think about elastolysis being from the sun

Question 2

How does Actinic Granuloma (annular elastolytic giant cell granuloma) present clincially?

Answer 2

annular plaques 1-10cm on sun exposed areas

Question 3

Histopath of actinic granuloma:

Answer 3

• interstitial granulomatous infiltrate
• w/ multinucleated foreign body giant cells
• phagocytosed elastic fibers within histiocytes and giant cells (elastophagocytosis)
• lacks mucin seen in GA