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Original article in French by:
The detection of Aspergillus galactomannan antigen with the Platelia® Aspergillus test allows early diagnosis of invasive aspergillosis in immunocompromised patients. We observed a high rate of positive antigenemia in bone marrow transplant children without any sign of infection. In order to explore the origin of these false-positive results, we tested the presence of galactomannan in the foods supplied to these children. All foods containing cereals products were positives. These data suggest that the heat-resistant Aspergillus galactomannan which is not eliminated by sterilization processes may reach the circulation through damaged intestinal mucosa in these children and may cause false positive antigenemia.
| Positive antigens | Negative antigens |
|---|---|
| Puffed chocolate cereal | Low fat yoghurt |
| Puffed corn petals | Sweetened yoghurt |
| Honeyed corn flakes | Goat's cheese |
| Bread (unsalted) | Potato rissoles |
| Macaroni (curved) | Veal |
| Rice (salted) | Carrots (unsalted) with cream |
| Dry cakes | Carrots (salted) with cream |
| Shepherd's pie | Sweetcorn |
| Turkey slices | Vinaigrette |
| Grilled sausage | Mint syrup |
| Veal casserole in white sauce | Lemon syrup |
| Gratin dauphinoise | Grenadine syrup |
| Roast chicken (unsalted) | |
| Bolognese sauce (salted) | |
| Puffed rice | |
| Chips (french fries) | |
| Crème caramel | |
| Crisps |