Temporal Arteritis with Occult Malignancy: Co-existence or Causal Relationship?

CASE PRESENTATION
A 74-year-old white male was referred to the ophthalmologist with a 3-week history of difficulty in reading and diminution of vision. He also complained of a right-sided headache, which was throbbing in nature and episodic, each episode lasting a few hours. On direct questioning his wife said that he had been getting progressively more tired over the past few weeks. There was no apparent loss of weight. He had no history of shoulder stiffness or joint pains or any other significant past medical history. Clinical examination revealed vision of 20/60 in each eye with g...