Isolated Intra-Oral Relapsed B-Acute Lymphoblastic Leukemia (B-ALL): A Case Report

B-Lymphoblastic Leukemia (B-ALL) is the second most common acute leukemia in adults. Its clinical manifestations include leukocytosis or leukopenia, anemia, and thrombocytopenia with an overall poor prognosis elderly patients. If relapse occurs, it commonly involves bone marrow but can also involve Extramedullary (EM) sites such as brain, testis, liver, spleen lymph nodes. Isolated extramedullary involvement of oral cavity B-ALL extremely rare only a few reposted cases literature pediatrics Adolescent-and-Young-Adult (AYA) population. Here we describe case gentleman who presented isolated EM involving gnathic bones which was initially misdiagnosed odontogenic infection.