05 August 2022
: Case report 
A 24-Year-Old Man Presenting with Lung Metastases from a Primary Retroperitoneal Extragonadal Choriocarcinoma
Challenging differential diagnosis, Management of emergency care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Sarina Koilpillai1ABEF, Thomas Y. Sun1ACDEF, Jacqueline Kropf1AEF, Mario Madruga1DF, Sanobar Yasmeen Mohammed2DE, Steve J. Carlan
3DEF*
DOI: 10.12659/AJCR.936288
Am J Case Rep 2022; 23:e936288
Figure 5. H&E high-power highlights the multinucleated syncytiotrophoblasts (black arrows) and the smaller cells with pale cytoplasm and hyperchromatic nuclei are the intermediate and cytotrophoblasts.