Uterine adenosarcoma

Uterine adenosarcoma is an uncommon form of cancer that arises from mesenchymal tissue of the uterus and has a benign glandular component.

Uterine adenosarcoma
Other namesAdenosarcoma of the uterus, Müllerian adenosarcoma of the uterus
Micrograph of a uterine adenosarcoma showing a mitotically active malignant stroma and benign glands. H&E stain.
SpecialtyGynecology

Signs and symptoms

The most common presentation is vaginal bleeding.[1] Other presentations include pelvic mass and uterine polyp. Generally, the clinical findings are non-specific.

Pathology

Uterine adenosarcoma have, by definition, a malignant stroma and benign glandular elements. The World Health Organization (WHO) criteria have a mitotic rate cut point; however, this is often disregarded, as bland-appearing tumours with a low mitotic rate are known to metastasize occasionally.[2]

  • Low mag.
  • Intermed. mag.
  • Very high mag.

Treatment

Uterine adenosarcomas are typically treated with a total abdominal hysterectomy and bilateral salpingoophorectomy (TAH-BSO). Ovary sparing surgery may be done in women wishing to preserve fertility.[3]

Prognosis

The prognosis is determined primarily by the cancer stage. Most tumours are discovered at an early stage and have a good prognosis, especially when compared to uterine carcinosarcoma. Five year survival for stage I and stage III tumours is approximately 80% and 50% respectively.[4]

See also

References
  1. Verschraegen, CF.; Vasuratna, A.; Edwards, C.; Freedman, R.; Kudelka, AP.; Tornos, C.; Kavanagh, JJ. (1998). "Clinicopathologic analysis of mullerian adenosarcoma: the M.D. Anderson Cancer Center experience". Oncol Rep. 5 (4): 939–44. doi:10.3892/or.5.4.939. PMID 9625851.
  2. McCluggage, WG. (Mar 2010). "Mullerian adenosarcoma of the female genital tract". Adv Anat Pathol. 17 (2): 122–9. doi:10.1097/PAP.0b013e3181cfe732. PMID 20179434. S2CID 196403103.
  3. Adedipe, TO.; Vine, SJ. (2010). "Mullerian adenosarcoma of the uterus: a rare neoplasm with a need for onco-fertility". Eur J Gynaecol Oncol. 31 (6): 714–6. PMID 21319526.
  4. Arend, R.; Bagaria, M.; Lewin, SN.; Sun, X.; Deutsch, I.; Burke, WM.; Herzog, TJ.; Wright, JD. (Nov 2010). "Long-term outcome and natural history of uterine adenosarcomas". Gynecol Oncol. 119 (2): 305–8. doi:10.1016/j.ygyno.2010.07.001. PMID 20688363.
Classification
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