Most children and young adults with acquired central diabetes insipidus have abnormal findings on MRI scans of the head, which may change over time, and at least half have anterior pituitary hormone deficiencies during follow-up.
Hemifacial microsomia (HFM) is a rare, multisystemic congenital disease with estimated frequency of 1/26370 births in Europe. Most cases are sporadic and caused by unilateral abnormal morphogenesis of the first and second pharyngeal arches. The aim of this study is to define the types and frequency of maxillofacial and systemic malformations in HFM patients. This is a case series study of patients with HFM evaluated at a single institution. Data were acquired through history, physical examination, photographs, diagnostic radiology, and laboratory and analyzed by the FileMakerPro database on 95 patients (54F; 41M) of which 89 met the inclusion criteria. Mandibular hypoplasia was observed in 86 patients with right-side preponderance (50). One patient had bilateral mandibular hypoplasia. Seventy-four had external ear anomalies (anotia or microtia). Eleven had bilateral malformed ears. Hearing impairment, associated with stenosis or atresia of the external ear canal, was found in 69 patients (eight with bilateral canal defects). Ocular anomalies were seen in 41 (23 with dermoid cysts) and 39 had orbital malformations. Facial nerve paralysis was observed in 38 patients. Cleft lip/palate (10), preauricular tags (55), and macrostomia (41) were also described. A total of 73/86 had systemic malformations, mainly vertebral (40), genitourinary (25), and cardiovascular (28). Sixteen had cerebral anomalies (four with intellectual disability). All patients suspected of HFM should undergo a complete systematic clinical and imaging investigation to define the full scope of anomalies. Since the disease is rare and complex, affected patients should be monitored by specialized multidisciplinary team centers.
We report on six patients who developed diabetes mellitus after hematopoietic cell transplantation (HCT). The prevalence in our cohort of long-term survivors after HCT performed below 18 yr of age was 3%. The median age at onset of diabetes was 22.4 yr (range 11.3-34.4). The median period between HCT and diabetes was 10.1 yr (range 5.6-22.1). Five out of the six patients received total irradiation therapy and five had other endocrinological abnormalities. The onset of diabetes in all patients was insidious and none had diabetic ketoacidosis. Body mass indexes at diabetes onset were within normal levels. The clinical and laboratory features that characterized our patients with diabetes after HCT make it difficult to classify them as having type-1 or type-2 diabetes. The relatively high prevalence of diabetes and its insidious onset in this group of patients, advocate clinicians to evaluate carefully even slight variations in fasting blood glucose, usually included in the routine biochemistry follow-up. These data also suggest that HbA1c and oral glucose-tolerance test should be added to the follow-up program of late complications if fasting blood glucose levels are slightly increased.
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