Small‑cell Carcinoma of the Ovary with Breast Metastases: A Case Report
Authors:
M. Reckova 1,2,3; M. Mego 1,2; K. Rejlekova 1,2; Z. Sycova‑ mila 1; Z. Obertova 1,2; J. Mardiak 1,2
Authors‘ workplace:
Department of Medical Oncology, School of Medicine, Comenius University, Bratislava, Slovak Republic
1; Department of Medical Oncology, National Cancer Institute, Bratislava, Slovak Republic
2; POKO Poprad, Poprad, Slovak Republic
3
Published in:
Klin Onkol 2010; 23(1): 43-45
Category:
Case Reports
Overview
Backgrounds:
Small cell carcinoma (SCC) is characterised by high metastatic potential and the possibility to metastasize to practically any tissue. Small cell carcinoma of the ovary (SCCO) has a very poor prognosis and patients usually die within one year of the initial diagnosis. Breast metastases from SCCO are extremely rare. Case: We present a 67‑year- old female patient with SCCO who initially presented with bone and bilateral breast metastases. Considering the clinical presentation, the patient’s age, the absence of hypercalcemia and histological characteristics, a diagnosis of pulmonary type SCCO was made. There was no tumour present in the lungs at the time of the initial diagnosis and thus we ruled out pulmonary SCC. Results: Initially, the patient was treated with radiotherapy of the bone lesion and systemic chemotherapy (etoposide with carboplatin) with the result of partial remission. Then, radical abdominal surgery was performed. Six months later she was diagnosed with progressive disease in the bone, soft tissue including the breast as well as new lesions in the right kidney, pelvis and lungs. She was treated with 2nd line chemotherapy (topotecan with cisplatin) with the result of progressive disease. Because of mediastinal lymphadenopathy, which was causing tracheobronchial compression, radiotherapy was administered with a good palliative outcome. Nine months later, multiple brain metastases were diagnosed and she was treated with whole brain radiotherapy. Shortly after brain irradiation, her status deteriorated rapidly and she died two years after her initial SCCO diagnosis. Conclusion: Extrapulmonary small cell carcinoma is a clinicopathological entity distinct from pulmonary small cell carcinoma. It is very rare and therefore there is very little information available regarding treatment of this disease. In contrast to experience in the treatment of pulmonary small cell cancers, prolonged survival is not common.
Key words:
small cell carcinoma – breast metastases – ovarian cancer
Introduction
Small cell carcinoma (SCC) is characteristic with high metastatic potential. Extrapulmonary SCC is a distinct clinicopathological entity from pulmonary SCC. Small cell carcinoma of the ovary (SCCO) has a very poor prognosis and the patients usually die within one year from the initial diagnosis. Herein we present 67 years old patient with SCCO who initially presented with bone and bilateral breast metastases and survived two years after her initial diagnosis.
Case presentation
Our patient was a 67 year old Caucasian female, presented with symptoms of weight loss and progressive lumbar pain one year before the diagnosis. In February 2006, on examination, 3cm soft tissue tumor at the level of L1–2 and tumor in the upper lateral quadrant (ULQ) of left breast were palpable. CT scans revealed a 6cm tumor of the right ovary, enlarged mediastinal and hilar lymph nodes and an MRI of the spine revealed metastatic involvement of Th6 with expansion into the 6th rib. Bilateral mammography unveiled 3 lesions in the ULQ of the right breast, 3–7mm in diameter, and several lesions in the ULQ of the left breast, 5–20mm in diameter. Fine needle aspiration biopsy from the palpable lesion in the left breast confirmed the diagnosis of small cell carcinoma, estrogen and progesterone receptor negative, chromogranin A positive and synaptophysin negative.
The patient was first treated with palliative external beam radiotherapy to the thoracic spine with a total dose of 5 × 4 Gy, and then underwent laparotomy with transfascial hysterectomy, bilateral adnexectomy, appendectomy, partial omentectomy with multiple excisions from peritoneal surface and abdominal lavage. The histology confirmed small cell carcinoma with the same immunohistochemical characteristics as previous histology from the breast tissue. There was no invasion of ovarian surface and no metastases in samplings from laparotomy. The abdominal washings were negative for tumor cells. From March to July 2006 she was treated with 6 cycles of carboplatin and etoposide. She achieved partial disease response after four cycles that remained stable after 6 treatment cycles. Six months later she was diagnosed with progressive disease in the breast tissue bilaterally, mediastinal and hilar lymph nodes, right kidney, pelvis, subcutaneous tissues, bones and lungs. From January till March 2007 she was treated with cisplatin and topotecan combination, however in March 2007 another progressive disease was observed. In March and later in May 2007, she was treated with palliative radiotherapy for the painful subcutaneous lesions and mediastinal lymph nodes that were causing compression of the tracheobronchial tree with good palliative outcome. In January 2008 multiple brain metastases were diagnosed and so she was treated with external brain radiotherapy. At the time of her last visit in February 2008, the dominant findings on examination were subcutaneous metastases in the abdomen, back, groins, head and neck, and her dominant symptoms were shortness of breath and pain from the bony and soft tissue involvement. She died shortly after her last visit at the end of February 2008. There were no substantial laboratory findings except slightly higher level of lactate dehydrogenase that correlated with progressive disease.
Discussion
Small cell carcinoma is characteristic with high metastatic potential and possibility to metastasize to practically any tissue [1–3]. Extrapulmonary small cell carcinoma is a distinct clinicopathological entity from pulmonary small cell carcinoma. It is very rare and that is why there is only little information available regarding the treatment of this disease [4]. In contrast with the experience in the treatment of pulmonary small cell cancers, prolonged survival is not frequent. Small cell carcinoma of the ovary (SCCO) has a very poor prognosis and the patients usually die within one year from the initial diagnosis. There are two types of SCCO distinguished, pulmonary and hypercalcemic type.
Pulmonary and extrapulmonary SCC has possibility to metastasize to practically any tissue [1–5]. Breast metastases are extremely rare. According to our knowledge, there is only one case report of SCCO and one case report of lung SCC with breast metastases [1,5]. Based upon clinical presentation in older age along with no presented hypercalcemia and histological characteristics, a diagnosis of pulmonary type of SCCO was made. There was no tumor presented in the lungs at the time of the initial diagnosis. Initially, we questioned whether a primary small cell tumor was in the breast or ovary; however because we found a large solitary tumor in the right ovary and multiple bilateral tumors in the breasts, we were inclined to make a diagnosis of primary SCCO with bilateral breast metastases at its initial presentation.
In conclusion, to our knowledge this only the second report in literature of SCCO with bilateral breast metastasis. Despite overall poor disease control by systemic therapy, patient survived 2 years from the initial presentation. Further research is warranted for better characterization of extrapulmonary SCCO including homing potential of cancer cells.
Acknowledgement
We would like to thank Zlatica Pekova (National Cancer Institute, Bratislava, Slovak Republic) for her help with the administrative procedures and Stephen E. Zlatos, Esq. for his assistance in the editing of the manuscript.
The
authors declare they have no potential conflicts of interest
concerning drugs, pruducts, or services
used in the study.
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deklarují, že v souvislosti s předmětem studie nemají žádné
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The
Editorial Board declares that the manuscript met the ICMJE “uniform
requirements” for biomedical papers.
Redakční
rada potvrzuje, že rukopis práce splnil ICMJE kritéria pro
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časopisů.
MUDr.
Michal Mego, PhD.
Department
of Medical Oncology
School
of Medicine
Comenius
University
Klenova
1
833
10 Bratislava
Slovak
Republic
e-mail:
misomego@gmail.com
Sources
1. Cheng Z, Yin H, Du J et al. Bilateral Breast Metastasis From Small‑Cell Carcinoma of the Ovary. J Clin Oncol 2008; 26(31): 5129– 5130.
2. Luh S, Kuo C, Tsao TC. Breast metastasis from small cell lung carcinoma. J Zhejiang Univ Sci B 2008; 9(1): 39– 43.
3. Lau CP, Leung WK. Caecal metastasis from a primary small‑cell lung carcinoma. Hong Kong Med J 2008; 14: 152– 153.
4. Henning M, Hu Q, Siegelmann‑Danielli N. Orbital metastasis as the presenting symptom of extensive small cell lung cancer. Eur J Intern Med 2008; 19: 65– 66.
5. Remick SC, Ruckdeschel JC. Extrapulmonary and pulmonary small‑cell carcinoma: Tumor biology, therapy and outcome. Med Pediatr Oncol 1992; 20(2): 89– 99.
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