Dasatinib is a common anticancer drug used in the treatment of leukemia. Several side effects have been reported, the most common being myelosuppression, diarrhea, edema, and nausea. Three papers have been published reporting hepatic side effects of dasatinib treatment. A rare side effect of dasatinib treatment is reactivation of latent cytomegalovirus (CMV) infection. Never before has dasatinib therapy shown to be the cause of CMV hepatitis in an immunocompetent patient. We present a case of an immunocompetent patient who was treated with the standard dose of dasatinib therapy and subsequently developed CMV hepatitis. Well-known side effects of dasatinib therapy are understood and documented; unknown adverse drug reactions can occur and should be monitored for. This is a significant finding given the high rate of CMV seropositivity in the general population.
Cancer of the small bowel (SB) is rare. The most common SB malignancy is neuroendocrine, followed by adenocarcinoma. SB adenocarcinoma with overlapping neuroendocrine differentiation (NED) is very uncommon. The present case report discusses the case of a young African American female who presented with high-grade SB perforation and underwent urgent surgical repair. Histology of the tumor revealed jejunal adenocarcinoma with NED. To the best of our knowledge, this type of tumor has not yet been reported in the jejunum. Referring patients that present with insidious and nonspecific abdominal discomfort for imaging studies that are more sensitive to the SB could potentially identify tumors earlier, prevent the development of emergent gastrointestinal complications and offer a chance for cure. An overview of diagnostic tools for SB evaluation was provided.
Burkitt lymphoma is an aggressively growing tumor commonly found in African children, involving the jaw and facial bones. Most non-Hodgkin lymphoma tumors involve extra nodal sites like the nervous system and gastrointestinal tract. A rare variant of this type of lymphoma is found in immunocompromised patients specifically in the gastrointestinal tract with accompanying gastrointestinal symptoms. Burkitt lymphoma is a malignancy that has commonly presented in GI tract but rarely in the duodenum. This clinical variant can commonly involve stomach, ileum, and cecum. However, there is very limited data available regarding the duodenal growth of this tumor. Duodenal involvement of Burkitt lymphoma is extremely rare and accounts for < 1% of all lymphomas. We present a case report of an older patient with a duodenal Burkitt lymphoma diagnosed by biopsy. A high suspicion should be present while treating immunocompromised patients with chronic abdominal symptoms especially with complications such as bleeding or occult positive testing. Early endoscopy intervention with biopsy can help identity and treat these conditions with improved outcomes for the patients.
Conventional combination therapies have not resulted in considerable progress in the treatment of acute myeloid leukemia (AML). Elderly patients with AML and poor risk factors have grave prognosis. Midostaurin has been recently approved for the treatment of FLT-3-mutated AML. Venetoclax, a BCL-2 inhibitor, has been approved for the treatment of relapsed and/or refractory chronic lymphoid leukemia. Clinical trials on applying venetoclax in combination with cytarabine and other agents to treat various hematological malignancies are currently underway. Here, we present a case of a male patient with poor performance status and who developed AML following allogeneic hematopoietic stem cell transplant for high-risk myelodysplasia. The patient with high risk AML achieved complete response to the combined treatment regimen of low-dose cytarabine and venetoclax. Furthermore, we reviewed current clinical trials on the use of venetoclax for hematological malignancies.
The combination of Von Recklinghausen disease with a pheochromocytoma has a genetic linkage but is an exceedingly rare occurrence. Von Recklinghausen disease or neurofibromatosis type 1 (NF1) is a neurocutaneous disorder characterized by cafe-au-lait macules and multiple, soft tissue neurofibromas. While a pheochromocytoma is a neuroendocrine tumor characterized by intermittent hypertension. NF1 predisposes patients to pheochromocytomas; however, this occurrence is extremely rare. We describe the case of a young male with neurofibromatosis and a pheochromocytoma.
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