PMID- 1644437
OWN - NLM
STAT- MEDLINE
DCOM- 19920908
LR  - 20190722
IS  - 0046-8177 (Print)
IS  - 0046-8177 (Linking)
VI  - 23
IP  - 8
DP  - 1992 Aug
TI  - Ectopic somatic endoderm in secondary human yolk sac.
PG  - 921-4
AB  - Three secondary human yolk sacs (SHYSs) showing heterotopic endodermal tubular 
      structures of the gut-forming type were analyzed from a series of 180 SHYSs. 
      These structures were similar to the early somatic endoderm involved in the 
      formation of gut and lung. They may have arisen either as sequestrations in 
      growth-disorganized embryos or as a phenomenon of differentiation from 
      extraembryonal endoderm, which would indicate that extraembryonal tissues such as 
      the SHYSs retain the capacity to differentiate somatic endoderm in 
      developmentally altered embryos. It is possible that these structures may be the 
      precursors of placental hepatic tissue and teratomas. Their morphologic 
      resemblance to similar structures found in glandular, polyvesicular, and 
      intestinal human yolk sac tumors provides yet another example of the similarity 
      between SHYSs and yolk sac tumors.
FAU - Nogales, F F
AU  - Nogales FF
AD  - Department of Pathology, University of Granada School of Medicine, Spain.
FAU - Beltran, E
AU  - Beltran E
FAU - Pavcovich, M
AU  - Pavcovich M
FAU - Bustos, M
AU  - Bustos M
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Hum Pathol
JT  - Human pathology
JID - 9421547
SB  - IM
MH  - Abortion, Spontaneous
MH  - Adult
MH  - Cell Transformation, Neoplastic/pathology
MH  - Digestive System/embryology
MH  - Endoderm/*pathology
MH  - Female
MH  - Humans
MH  - Lung/embryology
MH  - Mesonephroma/etiology/*pathology
MH  - Ovarian Neoplasms/etiology/*pathology
MH  - Pregnancy
MH  - Yolk Sac/*pathology
EDAT- 1992/08/01 00:00
MHDA- 1992/08/01 00:01
CRDT- 1992/08/01 00:00
PHST- 1992/08/01 00:00 [pubmed]
PHST- 1992/08/01 00:01 [medline]
PHST- 1992/08/01 00:00 [entrez]
AID - 0046-8177(92)90406-S [pii]
AID - 10.1016/0046-8177(92)90406-s [doi]
PST - ppublish
SO  - Hum Pathol. 1992 Aug;23(8):921-4. doi: 10.1016/0046-8177(92)90406-s.