Lipoblastoma and lipoblastomatosis are rare benign neoplasms of foetal white fat tissue that occur almost exclusively in infants and children. Two cases are reported and a review of the literature is given. An almost one-year-old girl and a full-term male infant were brought to our hospital with a solid mass in the right thigh. Nine months after total excision of the lipoblastoma, the little girl developed tumour recurrence, with unexpected histopathological maturation. In the case of the little boy, lipoblastomatosis with infiltration of the surrounding muscles, together with involvement of the sciatic and posterior femoral cutaneous nerves was found. Histologically, the tumour showed an unusual inflammatory reaction. The diagnosis of this tumour was made by the pathologist, but the histopathological picture bears a striking similarity to myxoid liposarcoma, and may be indistinguishable. Recent studies describe rearrangements of chromosome 8 q11-q13 region as a new discriminative marker that distinguishes lipoblastoma and lipoblastomatosis from myxoid liposarcoma.
Within 9 months we observed intestinal perforations in three very low birth weight (VLBW) infants undergoing indomethacin treatment for symptomatic patent ductus arteriosus (sPDA). The three patients exhibited striking similarities in their clinical courses and predisposing factors. Although clinical and histological criteria did not differentiate the perforations from necrotising enterocolitis (NEC), a well-known entity in premature infants, these events were remarkable to us since we had observed no other cases of NEC in recent years. From animal experiments and pathophysiological data, a role for indomethacin in gastrointestinal ischaemic damage must be considered. This communication is not meant to discredit indomethacin treatment. However, awareness of potential complications and careful monitoring during treatment is warranted.
Basing on exemplary case histories - trauma, benign tumour and staging of lymphogranulomatosis - the possibility of maintaining the function of splenic tissue by means of partial splenic resection is discussed. Indication, surgical approach including fibrin glueing and postoperative follow-up are described, taking recent literature into account, and are discussed as an alternative to splenectomy and autotransplantation.
Children are exposed to a greater risk than adults for severe late postsplenectomy infection. Therefore, prophylaxis against bacterial infections need to be more extensive. This paper presents a protocol for preventive measures in children. Repeated education of the patient and his/her parents about the consequences of splenic loss is mandatory. Vaccinations against Streptococcus pneumoniae and Hemophilus influenzae are highly recommended and also against Neisseria meningitidis in certain situations. The importance of longterm antibiotic prophylaxis in children is emphasized. Recent advances in vaccine development and the increasing problems with antibiotic resistance are discussed.
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