1. Reliability of Frozen Section of Uterine Curettings in Evaluation of Possible Ectopic Pregnancy 
Dr. Debra S. Heller, M.D., Dr. Sam Hessami, M.D., Dr. Bernadette Cracchiolo, M.D., Dr. Joan H. Skurnick, Ph.D. 
The Journal of the American Association of Gynecologic Laparoscopists 
Volume 7, Issue 4, Pages (November 2000)
DOI: /S (05)
Copyright © 2000 The American Association of Gynecologic Laparoscopists Terms and Conditions

2. FIGURE 1
Frozen section in a false negative case shows decidua only. Note that the quality of the section is less than that of a permanent section (see Figure 2), which is almost always the case.
The Journal of the American Association of Gynecologic Laparoscopists 2000 7, DOI: ( /S (05) )
Copyright © 2000 The American Association of Gynecologic Laparoscopists Terms and Conditions

3. FIGURE 2
Implantation site shows rare syncytiotrophoblasts and intermediate trophoblasts in a case of negative villi on frozen section.
The Journal of the American Association of Gynecologic Laparoscopists 2000 7, DOI: ( /S (05) )
Copyright © 2000 The American Association of Gynecologic Laparoscopists Terms and Conditions

4. FIGURE 3
Immunohistochemical stain for human placental lactogen is markedly positive (brown staining) in the intermediate trophoblasts free in the blood clot and implanting in the decidua.
The Journal of the American Association of Gynecologic Laparoscopists 2000 7, DOI: ( /S (05) )
Copyright © 2000 The American Association of Gynecologic Laparoscopists Terms and Conditions