The villi are relatively large in this immature placenta.
The intervillus space contains an excess number of nucleated cells for normal circulating maternal blood, as demonstrated by the black arrow.
|Chronic Intervillositis ?|
May be associated with chronic non-specific villitis
May be associated with euploid spontaneous abortion
May be associated with decidual vascular thrombosis and euploid early spontaneous losses.
|General Gross Description|
No gross findings
|General Micro Description|
Accumulation of mononuclear cells (maternal CD3+ cells) in intervillous space
May accompany actual villitis
Benirschke K, Kaufmann P. Pathology of the human placenta, 3rd ed. New York: Springer-Verlag, 1995, pp. 596-620.