51-year-old male with past medical history that is remarkable for Sino-nasal adenocarcinoma which was resected 13 years ago, and a recurrent local tumor which was re-operated. Since late 2007, the patient has been noticed to have mild macrocytic anemia and leucopenia, and the hematologist thought it might represent a myelodysplastic syndrome.

51-year-old female with vitamin D deficiency and incompatibility between the PTH and vitamin D levels. She reports that as a child she had numerous cavities in her jaw, and her daughter also had multiple tooth fillings. She wonders whether the reason could be genetic abnormality.