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Table 1 Results of skin tests and specific IgE work-up study for each patient accordingly to their clinical history

From: Cross-reactive LTP sensitization in food-dependent exercise-induced urticaria/anaphylaxis: a pilot study of a component-resolved and in vitro depletion approach

Patient

SPT

SPPT

sIgE (kUA/L)

I

Total IgE = 14kU/L

LTP—pos.

Profilin—pos.

n.a.

Pru p 1 < 0.35

Pru p 3 = 11.00

Pru p 4 < 0.35

Apple = 4.21

II

Total IgE = 297kU/L

Apple—neg.

Peach— neg.

Orange— pos.

Strawberry—pos.

Banana— neg.

Kiwi—neg.

Tomato—neg.

Hazelnut—pos.

Peanut—neg.

Almond—neg.

Soy— neg.

Oat—neg.

Maize—neg.

Rye—neg.

Wheat—neg.

Cow milk—neg.

Egg yolk—neg.

Egg white—neg.

Apple—pos.

Peach—neg.

Orange—pos.

Strawberry—neg.

Banana—neg.

Kiwi—pos.

Mango—neg.

Tomato—neg.

Hazelnut—pos.

Walnut—pos.

Peanut—neg.

Apple = 7.97

Orange = 3.83

Walnuts = 21.10

Strawberry = 13.10

Banana = 4.26

Kiwi = 3.36

Tomato = 1.28

Mango = 0.69

Maize = 11.30

Peanut = 7.07

III

Total IgE = 280kU/L

Wheat—pos.

Peanut—neg.

Soy—neg.

Cow’s milk—neg.

Egg white—neg.

Cod—neg.

Wheat—pos

Wheat = 0.96

α—amylase < 0.10

Gliadin < 0.10

ω-5-gliadin (Tri a 19) < 0.10 egg white < 0.10

  1. LTP lipid transfer protein, n.a. not available, neg. negative, pos. positive, sIgE specific IgE, SPT skin prick test, SPPT skin prick to prick test