What is Deciduitis?
Medical Definition of deciduitis : inflammation of the decidua.
What is acute Subchorionitis?
Acute subchorionitis, chorioamnionitis, and funisitis are considered placental histologic features consistent with acute inflammation according to the Society for Pediatric Pathology.
What causes placental inflammation?
Chronic inflammatory lesions of the placenta are characterized by the infiltration of the organ by lymphocytes, plasma cells, and/or macrophages and may result from infections (viral, bacterial, parasitic) or be of immune origin (maternal anti-fetal rejection).
What is acute funisitis?
(A) Typically, acute funisitis begins as inflammation of the umbilical vein (umbilical phlebitis; the red vessel represents the umbilical vein), followed by umbilical arteritis involving the umbilical arteries (blue). (B) Progression of inflammation along the length of the umbilical cord.
What is acute Deciduitis?
Acute decidual inflammation is a reflection of tissue injury by any of a number of pathways. Recently, acute basal deciduitis has been suggested to reflect an infectious cause of stillbirth. 27. Inflammatory involvement of basal plate decidua was sevenfold more common in stillbirths than in liveborn controls.
What causes chronic Deciduitis?
Chronic deciduitis is thought to result from chronic inflammation of the maternal genital tract or an abnormal immune response to the placenta. Increased decidual lymphocytes are seen, and the most rigorous definitions require the presence of plasma cells .
How can acute Chorioamnionitis be prevented?
How can it be prevented?
- screening you for bacterial vaginosis (vaginal inflammation) in your second trimester.
- screening you for group B streptococcal infection once you reach 35 to 37 weeks of pregnancy.
- reducing the number of vaginal examinations performed during labor.
- minimizing the frequency of internal monitoring.
What is placental inflammation?
Placental inflammatory disorders represent a diverse and important category of pathological processes leading to fetal and neonatal morbidity and mortality. These processes can be divided into two broad subcategories, those caused by micro-organisms and those caused by host immune responses to non-replicating antigens.
How can acute chorioamnionitis be prevented?
What is a syncytial knot?
Syncytiotrophoblastic knots or syncytial knots are aggregates of syncytial nuclei at the surface of terminal villi. Syncytial knots are consistently present, increasing with increasing gestational age, and can be used to evaluate villous maturity.
What is high grade chronic villitis?
High grade chronic villitis has more than 10 inflamed villi per focus. High grade chronic villitis is differentiated into diffuse and patchy. The term patchy is used if less than 30% of distal villi are involved. The term diffuse is used if more than 30% of distal villi are involved.
What is the medical term for acute deciduitis?
Pathologic examination of the placenta demonstrated focal acute funisitis, acute chorioamnionitis with fetal surface acute arteritis and acute deciduitis. Cultures from the maternal and fetal sides of the placenta grew predominantly MRSA and rare colonies of methicillin-susceptible S.
How many people have been diagnosed with deciduitis?
There were 9 cases of chronic deciduitis, 7 in HIV-positive placentas and 2 in HIV-negative patients (p=0.704). Plasma cell (chronic) deciduitis is demonstrated by the presence of plasma cells in the maternal decidua.
What kind of pregnancies are associated with deciduitis?
Parabasal and basal villitis is often associated with chronic deciduitis and is reportedly seen more frequently in pregnancies from assisted reproductive technology, especially ovum-donor conceptions, (68) with implications for the understanding of aberrant maternofetal immunologic interplay (Figure 35).
Are there any HIV positive cases of deciduitis?
Focal diffusive placentitis was detected in 17.1%, seropurulent deciduitis in 37.4% cases, and amnionitis in 6.2% of cases of the full-term pregnancy. There were 9 cases of chronic deciduitis, 7 in HIV-positive placentas and 2 in HIV-negative patients (p=0.704).