Metastatic collision tumour: A case report

Rosas-Guerra, Oscar Zenón; Vázquez, Jorge Alfonso Pérez-Castro y; Andrade-López, Gumaro Hugolino; Vera-Rodríguez, Fernando; Llave, Heriberto Garza-de la

doi:10.1016/j.circen.2015.09.028

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…The specific treatment of collision tumor is difficult to assess. Some authors suggested combination of therapies, treating each tumor as if it were unique [ 6 ]. Others recommended focus management on the more aggressive tumor [ 4 ].…”

Section: Discussionmentioning

confidence: 99%

Concomitant primary angiosarcoma and invasive carcinoma of the breast: a case report

Zghal¹,

Triki²,

Khanfir³

et al. 2022

Pan Afr Med J

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Collision tumor is a rare entity composed of two different tumors that occur in close to one another and maintain distinct borders. Only few cases have been reported in the breast. We report the first case of concomitant and adjacent primary angiosarcoma (PBAS) and invasive carcinoma of the breast (IBC), in a 45-year-old patient which presented with a lump in her right breast. Biopsy revealed PBAS. She underwent mastectomy. Gross examination showed a hemorrhagic and spongy tumor in contact with a second small grayish-white mass. Histologically, the hemorrhagic tumor was consistent with a high grade (HG) PBAS; the second mass was consistent with an IBC with no images of histological admixture. The diagnosis of a collision tumor composed of HG PBAS and IBC was established. During follow-up, the patient developed ovarian angiosarcomatous metastasis. The diagnosis of breast collision tumor is very uncommon and hence is challenging for pathologist. Careful gross and microscopic examinations help in establishing the appropriate diagnosis.

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Section: Discussionmentioning

confidence: 99%

Concomitant primary angiosarcoma and invasive carcinoma of the breast: a case report

Zghal¹,

Triki²,

Khanfir³

et al. 2022

Pan Afr Med J

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Advanced Mesodermal (Müllerian) Adenosarcoma of the Ovary: Metastases to the Lungs, Mouth, and Brain

Daskalaki

Xenaki

Athanasakis

et al. 2015

Case Reports in Surgery

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Background. A malignant mixed Müllerian tumor (MMMT) is a malignant neoplasm found in the uterus, the ovaries, the fallopian tubes, and other parts of the body that contains both carcinomatous (epithelial tissue) and sarcomatous (connective tissue) components. Outcome of MMMTs is determined primarily by depth of invasion and stage. The metastatic background of these lesions is controversial and unknown. Case Report. A 75-year-old woman was admitted to the hospital with anorexia, weakness, and persistent coughing. The imaging exams revealed a solid, promiscuous lesion of 16 × 14 cm in dimensions located into the small pelvis, surrounding the uterus and the ovaries. The patient underwent exploratory laparotomy. The mass was removed and the histological examination of the specimen revealed an advanced mesodermal adenocarcinoma of the ovary (MMMT). Nine days after the operation the patient presented with metastatic lesions in the mouth as well as the lungs. Within a month after the discharge from the hospital metastatic lesions of the MMMT were also depicted in the CT brain scan. Conclusion. Despite the fact that sarcomas have a long-term metastatic potential, to our knowledge this is the first case of Müllerian adenosarcoma presenting with such extraperitoneal metastases.

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Metastatic collision tumour: A case report

Cited by 2 publications

References 15 publications

Concomitant primary angiosarcoma and invasive carcinoma of the breast: a case report

Concomitant primary angiosarcoma and invasive carcinoma of the breast: a case report

Advanced Mesodermal (Müllerian) Adenosarcoma of the Ovary: Metastases to the Lungs, Mouth, and Brain

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