Abstract
Objective To improve the understanding of high calcium risk in patients with diffuse large B-cell lymphoma (DLBCL) during the chemotherapy. Methods The diagnosis and treatment of high calcium risk in one patient with DLBCL during the chemotherapy in the Second Affiliated Hospital of Anhui Medical University was retrospectively analyzed, and the relevant literatures were reviewed. Results A 52-year-old man who was diagnosed with DLBCL (non-specific, non-germinal center source; stage Ⅳ group A; International prognosis index score 4 points, high-risk group) in June 2017. Two times R-CHOP chemotherapy was performed before diagnosis. This patient was admitted to the hospital for the third chemotherapy, and the disease assessment showed that the enlarged lymph nodes were not significantly smaller than before, and the tumor burden was still high. Therefore, the chemotherapy regimen was adjusted to R-GDP regimen. However, on the 8th day after the end of rituximab treatment, the patient had head pain, which might be related to the patient's poor sleep and primary invasion of the primary disease (blood calcium: 2.94 mmol/L). And then the ibuprofen and diuresis treatments were given, but the symptoms were still gradually worsening, and vomiting appeared on the 9th day, systemic fatigue with drowsiness and irritability appeared on the 12th day. Review blood calcium: 5.02 mmol/L. Adequate fluid hydration, diuretic, renal replacement treatments were given, and the level of blood calcium gradually returned to normal. Finally, the patient's symptoms were improved significantly, and he successfully completed R-GDP chemotherapy. Conclusion If a DLBCL patient has symptoms such as headache, lethargy, irritability or even coma during the chemotherapy, it is necessary to alert the possibility of hypercalcemia and to timely improve the relevant examination and make symptomatic treatment. Key words: Lymphoma, large B-cell, diffuse; Hypercalcemia; Antineoplastic combined chemotherapy protocols
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