BS Parikh Deptt. of Medical Oncology, Tata Memorial Hospital, Mumbai, India
Source of Support: None, Conflict of Interest: None
Familial clustering is known to occur in lymphoproliferative disorders. It is also observed in 8.8 percent of patients with chronic lymphocytic leukemia. Present case report describes a brother and a sister with chronic lymphocytic leukemia. There must be multiple factors like genetic as well as environmental factors which must be responsible for familial clustering. These factors and their contributions are discussed at length.