Full Form of ALK

What is ALK?

ALK is a gene that encodes a receptor tyrosine kinase protein involved in cell growth and proliferation. In a medical context, ALK rearrangements or mutations are significant biomarkers in certain cancers, most notably non-small cell lung cancer (NSCLC) and anaplastic large cell lymphoma. In India, the prevalence of ALK-positive NSCLC is around 3-5% of all lung cancer cases, making it a critical target for precision oncology. The detection of ALK rearrangements is performed using immunohistochemistry (IHC) or fluorescence in situ hybridization (FISH) in diagnostic labs across major Indian hospitals. This testing is essential because ALK inhibitors, such as crizotinib, alectinib, and lorlatinib, have shown high efficacy in treating ALK-positive tumors, offering hope to patients who would otherwise have limited options. These targeted therapies are increasingly available through government schemes and pharmaceutical patient assistance programs in India. For medical students and oncologists, understanding ALK is vital for the NEET PG and other specialty exams, as questions often cover its role in molecular pathology and treatment algorithms. Overall, ALK exemplifies the shift towards personalized medicine in India’s evolving healthcare landscape.

ALK का फुल फॉर्म

Example

The oncologist recommended an ALK mutation test for the 45-year-old non-smoker diagnosed with advanced lung adenocarcinoma.

ALK — frequently asked questions

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