Disseminated Primary Uterine Hepatoid Adenocarcinoma with α-Fetoprotein Production Demonstrated on 18F-FDG PET/CT

Research output: Contribution to journalJournal articleResearchpeer-review

Documents

  • Fulltext

    Final published version, 26.9 MB, PDF document

  • Danijela Dejanovic
  • Bønnelycke, Marie
  • Annemarie Gjelstrup Amtoft
  • Charlotte Birk Christensen
  • Victoria Wetterstroem
  • Annika Loft
  • Trine Jakobi Noettrup

We present the18F-Fluorodeoxyglucose (18F-FDG) positron emission tomography/com-puted tomography (PET/CT) findings in a 57-year-old woman with post-menopausal bleeding diagnosed with hepatoid adenocarcinoma (HAC) with a primary tumour in the uterine corpus and a highly elevated level of serum-α-fetoprotein (S-AFP) at presentation. HAC is a variant of adenocar-cinoma with hepatic differentiation representing a heterogeneous group of neoplasms that morpho-logically and immunphenotypically resemble hepatocellular carcinoma (HCC) but are of extrahe-patic origin. Microscopically, they are usually poorly differentiated adenocarcinomas proliferating in solid sheets or in a trabecular or cord-like arrangement. Primary uterine HAC is exceedingly rare with a general poor prognosis, and data is sparse and limited to case reports, making the clinical management challenging. Various primary anatomical sites have been reported in the literature, with the stomach being the most common primary site.18F-FDG PET/CT plays an important role in staging and follow-up in many gynecological malignancies including uterine corpus cancer. To the best of our knowledge, this is the first report describing a primary uterine hepatoid adenocarcinoma with metastases to bone, vagina and lymph nodes on18F-FDG PET/CT. By utilizing the ability of PET to detect early metabolic changes prior to visible structural changes on conventional imaging, this case illustrates a potential role of18FDG-PET/CT in the staging of primary endometrial HAC by depicting distant metastasis that is not readily identifiable on CT alone.

Original languageEnglish
Article number1447
JournalDiagnostics
Volume12
Issue number6
Number of pages7
ISSN2075-4418
DOIs
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

    Research areas

  • AFP, FDG, hepatoid adenocarcinoma, PET/CT, uterus

ID: 326461663