Vanessa, a 4-year old girl with a history of milk allergy, visits her healthcare provider after recently accidentally eating ice cream at a birthday party. Her mother reported that Vanessa experienced no apparent reaction after this event and is wondering if Vanessa has grown out of her allergy.
Vanessa's healthcare provider conducts a full clinical history and physical examination and decides to test using milk components.
A girl with a history of milk allergy accidentally eats ice cream. A test using milk components reveals more to her story.
Her previous test results at age 1 were:
Test |
Type |
Vanessa's Results |
Milk |
Whole Allergen |
+4 |
Test |
Type |
Vanessa's Results |
Milk |
Whole Allergen |
20 |
Bos d 4 (α-lactalbumin) |
Allergen Component |
3.5 |
Bos d 5 (β-lactoglobulin) |
Allergen Component |
2.8 |
Bos d 6 (bovine serum albumin) |
Allergen Component |
0.4 |
Bos d 8 (casein) |
Allergen Component |
15.2 |
Vanessa’s test results at age 3 were:
Test |
Type |
Vanessa's Results |
Milk |
Whole Allergen |
+3 |
Test |
Type |
Vanessa's Results |
Milk |
Whole Allergen |
14 |
Bos d 4 (α-lactalbumin) |
Allergen Component |
2.8 |
Bos d 5 (β-lactoglobulin) |
Allergen Component |
2.5 |
Bos d 6 (bovine serum albumin) |
Allergen Component |
0.3 |
Bos d 8 (casein) |
Allergen Component |
8.5 |
These results, together with this patient's case history and symptoms, help you confirm the diagnosis.
Allergen | Type |
Vanessa's Results |
Milk | Whole Allergen |
6.3 |
Bos d 4 (α-lactalbumin) | Allergen Component |
1.9 |
Bos d 5 (β-lactoglobulin) | Allergen Component |
1.8 |
Bos d 6 (bovine serum albumin) | Allergen Component |
<0.1 |
Bos d 8 (casein) | Allergen Component |
2.3 |
Vanessa’s decreasing levels of IgE to Bos d 8 casein and other milk components strengthens the indication that her milk allergy is resolving and also indicate she may tolerate baked milk.1
HEALTHCARE PROVIDER MANAGEMENT PLAN
Vanessa's healthcare provider:
FOLLOW UP
The people, places, and events depicted in these case studies and photographs do not represent actual patients, nor are they affiliated in any way with Thermo Fisher Scientific.