Affiliation:
1. Rare Tumors Department, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China.
Abstract
Introduction:
Inflammatory myofibroblastic tumor (IMT) is a rare invasive soft tissue tumor. Many IMTs are positive for anaplastic lymphoma kinase (ALK) with ALK gene fusion; other gene mutations have also been reported, which indicates a key role for genetic testing and the development of target therapy to optimize treatment strategies.
Patient concerns:
We report 2 patients who obtained clinical benefits following targeted treatment with ensartinib.
Diagnosis:
The first patient was diagnosed as IMT, with TFG-ROS1 fusion gene mutation. The second patient was IMT harboring the ALK-STRN fusion gene mutation.
Interventions:
We performed gene testing for these 2 patients. According to the test result, both patients received ensartinib 225 mg QD as targeted therapy for a 30-day cycle.
Outcomes:
The first patient achieved partial remission and maintained a stable state for 14.7 months. The second patient was treated for 10 months and reached complete remission after 5 months and is currently still benefiting from treatment. Treatment-related side effects were mild in both patients.
Conclusion:
Our cases provided some new insights and approaches for the clinical diagnosis and treatment of IMT.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Cited by
1 articles.
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