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Purpose

Because angiomyolipoma is less common in children than in adults, its diagnosis can be difficult. We present 3 cases of pediatric angiomyolipoma in which diagnostic problems resulted due to the presenting characteristics.

Materials and Methods

We report on 3 children with unilateral renal angiomyolipoma. Computerized tomography (CT) and ultrasonography revealed 3 large renal masses, 20, 7 and 8 cm. in diameter, respectively. A correct diagnosis was not made preoperatively in any case by CT, ultrasound or fine needle biopsy. Wilms tumor was suspected in the first patient who received preoperative chemotherapy. Imaging was inconclusive in the other 2 cases.

Results

All patients underwent surgical exploration and subsequent nephrectomy due to the large size of the tumor. At followup 33, 23 and 13 months postoperatively all children were well without signs of recurrence.

Conclusions

It has been reported that the demonstration of fat on renal ultrasound and CT can diagnose angiomyolipoma in 95% of the cases. Most radiologists rely solely on CT demonstration of lipid density in the renal mass to diagnose angiomyolipoma but the identification at imaging of lipid tissue may be difficult in small tumors. In our cases the fat content of the tumors was less than 10% despite the large size. This low fat content results in misdiagnosis, since fatty tissue is also present in other renal tumors, such as lipoma, liposarcoma, teratoma and Wilms tumors. We recommend conservative surgery when tumor size permits in pediatric patients with angiomyolipoma to avoid chemotherapy.  相似文献   
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Policy Points
  • Preventive measures such as the national lockdown in Italy have been effective in slowing the spread of COVID‐19. However, they also had psychological and economic impacts on people’s lives, which should not be neglected as they may reduce citizens’ trust and compliance with future health mandates.
  • Engaging citizens in their own health management and in the collaboration with health care professionals and authorities via the adoption of a collaborative approach to health policy development is fundamental to fostering such measures’ effectiveness.
  • Psychosocial analysis of citizens’ concerns and emotional reactions to preventive policies is important in order to plan personalized health communication campaigns.
ContextBecause of the COVID‐19 pandemic, between February 23 and March 8, 2020, some areas of Italy were declared “red zones,” with citizens asked to stay home and avoid unnecessary interpersonal contacts. Such measures were then extended, between March 10 and May 4, 2020, to the whole country. However, compliance with such behaviors had an important impact on citizens’ personal, psychological, and economic well‐being. This could result in reduced trust in authorities and lowered compliance. Keeping citizens engaged in their own health and in preventive behaviors is thus a key strategy for the success of such measures. This paper presents the results from a study conducted in Italy to monitor levels of people’s health engagement, sentiment, trust in authorities, and perception of risk at two different time points.MethodsTwo independent samples (n = 968 and n = 1,004), weighted to be representative of the adult Italian population, were recruited in two waves corresponding to crucial moments of the Italian COVID‐19 epidemic: between February 28 and March 4 (beginning of “phase 1,” after the first regional lockdowns), and between May 12 and May 18 (beginning of “phase 2,” after the national lockdown was partially dismissed). Respondents were asked to complete an online survey with a series of both validated measures and ad hoc items. A series of t‐tests, general linear models, and contingency tables were carried out to assess if and how our measures changed over time in different social groups.FindingsAlthough sense of self and social responsibility increased between the two waves, and trust toward authorities remained substantially the same, trust in science, consumer sentiment, and health engagement decreased. Our results showed that while both the level of general concern for the emergency and the perceived risk of infection increased between the two waves, in the second wave our participants reported being more concerned for the economic consequences of the pandemic than the health risk.ConclusionsThe potentially disruptive psychological impact of lockdown may hamper citizens’ compliance with, and hence the effectiveness of, behavioral preventive measures. This suggests that preventive measures should be accompanied by collaborative educational plans aimed at promoting people’s health engagement by making citizens feel they are partners in the health preventive endeavor and involved in the development of health policies.  相似文献   
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