<prompt> Which of the following is true about plummer vinson syndrome?More chances of development in malesAssociated vitamin B 12 deficiency may be presentIt is different from Paterson - Brown - Kelly syndromeIt does not increase the risk of malignant transformation  <response>: Ans. is b i.e., Associated vitamin B 12 deficiency may be present Plummer-Vinson syndrome PVS Plummer-Vinson syndrome PVS, also called Paterson-Brown-Kelly syndrome or sideropenic dysphagia, is a rare disease characterized by difficulty in swallowing, iron deficiency anemia, glossitis, cheilosis and esophageal webs. These patients have a female preponderance, and association with post cricoid stenosis, web formation and increased incidence of carcinoma. High incidence of gastric atrophy and vitamin B 12 deficiency is also noted in these patients. Has been explained in previous sessions. 