Background: Local normative data for penile size will aid physicians in clinical practice. There are no studies on stretched penile length (SPL) in newborn Turkish boys.Objective: To establish normative data for SPL of newborn Turkish boys and compare these with data from different countries. Methods: 514 newborn Turkish boys, who were not small for gestational age (SGA) or premature, were included in this cross−sectional study. SPLs of the newborns were measured by the same investigator. The correlations between SPL and gestational age, weight, length, and head circumference were evaluated.Results: The 3rd percentile value for SPL was found as 3.00 cm in these Turkish newborns. Positive correlations were shown between SPL and height (r=0.240, p<0.001), weight (r=0.251, p<0.001), and head circumference (r=0.235, p<0.001). Multiple linear regression analysis showed that SPL positively correlated with height and head circumference (p=0.021 and p= 0.042, respectively).Conclusions: This is the largest study on SPL in newborns from our country. This normative data can be used in clinical practice for defining micropenis.Conflict of interest:None declared.

Our study shows that iodine deficiency is a serious problem among pregnant women in Ankara. These data confirm that iodine nutritional status among SAC does not reflect the iodine supply for pregnant women. We propose that nationwide surveillance studies should urgently be performed to directly assess and monitor the iodine status of pregnant women. We also consider that pregnant women in Turkey should be supplemented by iodine-containing preparations in addition to iodized salt.

Peutz-Jeghers syndrome (PJS) is a rare disorder characterized by benign intestinal hamartomatous polyps and mucocutaneous pigmentation, and with an increased risk for intestinal and extra-intestinal neoplasms. Sertoli cell tumors in boys with PJS have been increasingly recognized as a cause of prepubertal gynecomastia. However, an association between nephrocalcinosis and PJS has not been reported before. We report on a 7.25-year-old boy with PJS, bilateral gynecomastia, Sertoli cell tumor and nephrocalcinosis, and present the outcome of 1-year treatment with the aromatase inhibitor testolactone. The patient presented with bilateral breast and testis enlargement, and mucocutaneous pigmentation. Testicular ultrasound revealed parenchymal multiple microcalcifications. Histopathological examination was consistent with Sertoli cell tumors. Nephrocalcinosis due to idiopathic renal hypercalciuria was also detected. The aromatase inhibitor testolactone was begun in an attempt to prevent acceleration in skeletal maturation. One-year treatment with testolactone reduced the breast base diameter from 7 to 3 cm, and bone age advanced 1.2 years during this period. Our case demonstrates that waiting for the effect of aromatase inhibitors on gynecomastia before making a decision for mastectomy may be a reasonable option. We also consider that the association between PJS and nephrocalcinosis may be a coincidence.

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The equations and percentile curves generated can be used as a guide in prospective feminizing genitoplasty. Furthermore, patients and their families can be informed regarding the variability of external genitalia dimensions. This information should ensure a healthier appreciation of the postoperative genitalia by patients and their families.