A 52-year-old man comes to the physician because of night blurry vision over the past several months. He also has generalized pruritus. He underwent for cystoscopy for evaluation painless hematuria and the biopsy reveals a focal layer of stratified squamous epithelium with hyperkeratosis. On physical examination, her skin is diffusely coarse and dry. Which of the following processes is most likely responsible for these findings?

Question

A 52-year-old man comes to the physician because of night blurry vision over the past several months. He also has generalized pruritus. He underwent for cystoscopy for evaluation painless hematuria and the biopsy reveals a focal layer of stratified squamous epithelium with hyperkeratosis. On physical examination, her skin is diffusely coarse and dry.  Which of the following processes is most likely responsible for these findings?

Quizplus · Accepted Answer

Eductional Objective: Vitamin A deficiency causes night blindness and hyperkeratosis.  Deficiency of this fat-soluble vitamin can develop in patients with biliary disorders, exocrine pancreatic insufficiency, or intestinal malabsorption.

A 52-Year-Old Man Comes to the Physician Because of Night