17 November 2025
: Case report 
Concurrent Mature and Immature Teratomas in Contralateral Ovaries in a 30-Year-Old Woman: A Case Report
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Patient complains / malpractice, Unexpected drug reaction, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Izabela Targosińska
AE 1*, Dorota Lewkowicz D 1, Barbara Marzec-Kotarska ACE 1
DOI: 10.12659/AJCR.949404
Am J Case Rep 2025; 26:e949404
Figure 1 Photomicrograph of the histopathology of the left ovary of a 30-year-old woman shows the diagnosis of immature teratoma (malignant germ cell tumor). The histology shows neuroectoderm (immature nervous tissue). The neuroepithelial elements are used to grade the tumor. A characteristic feature is the presence rosette-like structures (in a circle). Hematoxylin and eosin (H&E). Magnification ×40.