Uterine adenomatoid tumor associated with lymph node lesions: a case report
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Uterine adenomatoid tumor associated with lymph node lesions: a case report Yuya Wakita1 · Junko Takahama2 · Satoshi Yamauchi3 · Hiroshi Okada3 · Nagaaki Marugami3 · Takahiro Itoh3 · Toshiko Hirai3 · Kimihiko Kichikawa3 · Tomoko Uchiyama4 · Chiho Obayashi4 · Sho Matsubara5 · Hiroshi Kobayashi5
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract We report a case of uterine adenomatoid tumor (AT) with regional lymph node involvement in a 49-year-old woman. Magnetic resonance imaging revealed an aggregated cystic mass in the posterior uterine wall with partial protrusion of the tumor outside the uterus, and cystic masses of same characteristics in the bilateral obturator and right common iliac lymph nodes. FDG PET/CT revealed no significant FDG uptake in the uterine and lymph node lesions. Taking possible lymph node metastasis into consideration, hysterectomy and lymph node biopsy were performed and it revealed AT of the uterus and the lymph nodes histopathologically. Keywords Adenomatoid tumor · Uterus · Lymph node
Introduction Adenomatoid tumors (ATs) are relatively rare benign lesions that are reported most commonly in the genital tracts of both sexes, including the paratesticular structures in males, and the uterus, fallopian tubes, and ovaries in females [1]. These tumors occur much less frequently in extragenital locations but have been described in various organs and anatomic sites, including the mesentery [2], mediastinum [3], pleural cavity [4], adrenal glands [5], pancreas [6], heart [7], and
* Yuya Wakita [email protected] 1
Department of Radiology, Nara Prefecture General Medical Center, 2‑897‑5, Shichijonishi‑town, Nara‑City, Nara 630‑8581, Japan
2
Department of Radiology, Higashiosaka City Medical Center, 3‑4‑5, Nishiiwata, Higashiosaka‑City, Osaka 578‑8588, Japan
3
Department of Radiology, Nara Medical University, 850, Shijo‑town, Kashihara‑City, Nara 634‑8522, Japan
4
Department of Diagnostic Pathology, Nara Medical University, 850, Shijo‑town, Kashihara‑City, Nara 634‑8522, Japan
5
Department of Obstetrics and Gynecology, Nara Medical University, 850, Shijo‑town, Kashihara‑City, Nara 634‑8522, Japan
mediastinal lymph nodes [8]. In a few reported cases, ATs involved several anatomic sites simultaneously; e.g., the uterus, ovaries, and appendix [9]. Here we report a case of AT involving the uterus and its regional lymph nodes. To our knowledge, this is the first report of uterine AT simultaneous involvement of regional lymph nodes.
Case report A 49-year-old nonparous female presented to her primary care physician complaining of menorrhagia. She had a previous history of secondary hydrocephalus and left ovarian cystectomy but the details were unknown. Computed tomography (CT) revealed an enlarged uterus with a lobulated low attenuation mass of maximum diameter 10 cm embedded in the right posterior myometrium. On magnetic resonance imaging (MRI), T2-weighted images (T2WI) showed a high intensity sept
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