Cerebellar injury is a frequent finding in very preterm infants. Cranial US through the MF can demonstrate injury missed by using the routine AF approach. Punctate hemorrhagic lesions may remain undetected even when the MF approach is used; the prognostic implications of these smaller lesions need further attention.

After successful transsphenoidal surgery for acromegaly, life-long follow-up is required, because 10-15% of patients develop recurrence of disease. We assessed whether it is safe to perform postoperative follow-up with only biochemical evaluation in acromegalic patients initially cured by transsphenoidal surgery. We studied 32 patients cured after transsphenoidal surgery for acromegaly during a follow-up of 8.7 +/- 6.4 yr (mean +/- sd). Serial measurements of serum GH during glucose tolerance test and magnetic resonance imaging (MRI) scans were performed. Serial MRI scans were reevaluated by three independent neuroradiologists, who were blinded for the clinical and biochemical data, for growth of suspected tumor tissue. Twenty-three patients remained biochemically cured in the long term, whereas nine of the 32 patients developed recurrence of disease, indicated by elevated serum GH concentrations during glucose tolerance test and clinical symptoms/signs. None of the 23 patients with long-term biochemical cure showed growth of tumor tissue according to two neuroradiologists, whereas the third neuroradiologist assessed three of 23 patients as having tumor growth despite continuing biochemical cure. In the nine patients with biochemical recurrence, no tumor growth was found in the series of postoperative MRI scans, according to two of the three independent radiologists, whereas the third radiologist found tumor growth in four patients with recurrent disease. In conclusion, in patients with acromegaly, initially cured by transsphenoidal surgery, it appears safe to check for recurrent disease during long-term follow-up of these patients by biochemical markers only.

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