Five patients with thyroid cancer and thyroidectomy are reported. In the whole body iodine-131 scan they had positive iodine-131 uptake with negative serum thyroglobulin (Tg). In all cases, remnant thyroid cancer tissue was reported in the muscle adjacent to the laryngeal cartilage, which could explain iodine uptake in spite of negative serum Tg. It is recommended to perform a whole body iodine-131 scan when there is a strong suspicion of microscopic cancer tissue in the remnant tissues.

Five patients with thyroid cancer and thyroidectomy are reported. In the whole body iodine-131 scan they had positive iodine-131 uptake with negative serum thyroglobulin (Tg). In all cases, remnant thyroid cancer tissue was reported in the muscle adjacent to the laryngeal cartilage, which could explain iodine uptake in spite of negative serum Tg. It is recommended to perform a whole body iodine-131 scan when there is a strong suspicion of microscopic cancer tissue in the remnant tissues.

ObjeCtive. To determine the prevalence and risk factors of diabetic peripheral neuropathy (DPN) in newly diagnosed patients of diabetes mellitus (DM2) attending Hospital Nacional Arzobispo Loayza (HNAL). Material and MethOds. Prospective, cross-sectional analytical study in patients attending the Endocrinology Service of HNAL, Lima. Inclusion criteria were a recent diagnosis (less than 3 months) of DM2 according to ADA criteria and age ≥18 years old. Patients with gestational diabetes, secondary diabetes, history of non-DPN and those in hyperglycemic crises were excluded. DPN was evaluated using a biothesiometer and was defined as the presence of a vibration perception threshold greater than 25 V in the plantar region of the first toe of at least one of the feet. To describe the characteristics of the population, frequencies and percentages were used for categorical variables, mean and...

ObjeCtive. To determine the prevalence and risk factors of diabetic peripheral neuropathy (DPN) in newly diagnosed patients of diabetes mellitus (DM2) attending Hospital Nacional Arzobispo Loayza (HNAL). Material and MethOds. Prospective, cross-sectional analytical study in patients attending the Endocrinology Service of HNAL, Lima. Inclusion criteria were a recent diagnosis (less than 3 months) of DM2 according to ADA criteria and age ≥18 years old. Patients with gestational diabetes, secondary diabetes, history of non-DPN and those in hyperglycemic crises were excluded. DPN was evaluated using a biothesiometer and was defined as the presence of a vibration perception threshold greater than 25 V in the plantar region of the first toe of at least one of the feet. To describe the characteristics of the population, frequencies and percentages were used for categorical variables, mean and...