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1.  An Unusual Case of Marginal Zone B-Cell Lymphoma Arising in the Breast – Its Diagnosis and the Role of Radiotherapy in its Management 
Breast Care  2011;6(5):391-393.
Background
Primary lymphoma of the breast accounts for 0.04–0.5% of all breast malignancies and approximately 1% of all extranodal lymphomas. For stage IE node-negative disease, involved field radiotherapy is recommended except for very young women in whom the risk of breast cancer is a concern. The rate of complete response for limited stage extranodal marginal B-cell lymphoma is in excess of 90%.
Case Report
We report the case of a 62-year-old lady who presented with a unilateral painless palpable right breast lump. She subsequently underwent a trucut biopsy of the lesion. The histology revealed a low-grade B-cell non-Hodgkin's lymphoma (NHL). Immunohistochemistry showed that more than 95% of the cells were B cells which were CD 20+/CD 45+ and BC L6+. This confirmed the diagnosis of marginal zone lymphoma. Staging work-up was negative for distant metastases. Serum alkaline phosphatase and lactate dehydrogenase were normal. The patient had no ‘B’ symptoms. Her final diagnosis was clinical stage IAE NHL, and she was referred for curative radiotherapy.
Conclusion
Radiation treatment is a safe and extremely effective modality of treatment for early stage I marginal zone B-cell lymphomas of the breast.
doi:10.1159/000333128
PMCID: PMC3357153  PMID: 22619650
Marginal zone B-cell lymphoma; Breast; Non-Hodgkin's lymphoma; Involved field radiotherapy
2.  The management of acute parathyroid crisis secondary to parathyroid carcinoma: a case report 
Introduction
Hypercalcaemic hyperparathyroid crisis is a rare but life-threatening complication of primary hyperparathyroidism. Parathyroid carcinoma is a rare malignancy with an incidence of 0.5% to 4% of all reported cases of primary hyperparathyroidism.
Case presentation
We report the case of a 60-year-old Caucasian man with hypercalcaemic hyperparathyroid crisis associated with parathyroid carcinoma. He presented with a classic hypercalcaemic syndrome and his serum calcium and parathyroid hormone levels were at 4.65 mmol/L and 1743 ng/L, respectively. He initially presented with a two-week history of weakness and lethargy and a one-week history of vomiting, polyuria and polydipsia. An emergency left thyroid lobectomy and left lower parathyroidectomy were performed. There was a prompt decrease in his parathyroid hormone level immediately after surgery. Histology revealed that our patient had a 4-cm parathyroid carcinoma.
Conclusion
In patients with parathyroid carcinoma, the optimal surgical treatment is en bloc resection with ipsilateral thyroid lobectomy and removal of any enlarged or abnormal lymph nodes. Surgery is the only curative treatment. In our patient, prompt surgical intervention proved successful. At six months the patient is well with no evidence of disease recurrence. This case highlights the importance of considering a hyperparathyroid storm in the context of a parathyroid carcinoma. Parathyroid carcinoma is a rare entity and our knowledge is mainly derived from case reports and retrospective studies. This case report increases awareness of this serious and life-threatening complication. This report also illustrates how prompt and appropriate management provides the best outcome for the patient.
doi:10.1186/1752-1947-4-28
PMCID: PMC2829595  PMID: 20181049

Results 1-2 (2)