27th August 2020

A 50-year-old lady on her 6th cycle of radical chemotherapy for small cell lung cancer presents with an abnormal, involuntary, rhythmic protrusion of her tongue

A 50-year-old lady on her 6th cycle of radical chemotherapy for small cell lung cancer presents with an abnormal, involuntary, rhythmic protrusion of her tongue which has worsened over the past month. You review her medication and you notice that she has been prescribed prochlorperazine as an anti-emetic. On further questioning, she reveals that she has been taking it almost every day for the past year due to profound nausea associated with the cancer and its treatment. Which movement disorder is this patient affected by?

For the patient above, please select the most appropriate diagnosis. Select ONE option from the list above.