File:Chorangiosis - intermed mag.jpg

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Summary

Description
English: Intermediate magnification micrograph of chorangiosis. H&E stain.

Features:

  • Increased blood vessels in the terminal villi.
    • Altshuler criteria: "a minimum of 10 villi, each with 10 or more vascular channels, in 10 or more areas of 3 or more random, non-infarcted placental areas when using a ×10 ocular."[1][2]

Notes:

  • Normal villi have up to five vascular channels.[2]
  • The Altshuler criteria are not theoretically rigorous, as they do not define the area.

Related images

  • Intermed. mag.
    Intermed. mag.
  • High mag.
    High mag.
  • Very high mag.
    Very high mag.

References

  1. ↑ (Jan 1984). "Chorangiosis. An important placental sign of neonatal morbidity and mortality.". Arch Pathol Lab Med 108 (1): 71-4.
  2. ↑ a b (Sep 2001). "Placental chorangiosis.". Arch Pathol Lab Med 125 (9): 1258. DOI:10.1043/0003-9985(2001)1251258:PC2.0.CO;2.
Source Own work
Author Nephron

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current02:06, 6 August 2011Thumbnail for version as of 02:06, 6 August 20114,272 × 2,848 (5.45 MB)Nephron{{Information |Description ={{en|1=Intermediate magnification micrograph of '''chorangiosis'''. H&E stain. Features: *Increased blood vessels in the terminal villi. **Altshuler

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