Aims: Food allergy to mustard is often unrecognised in children; however, it deserves early recognition as a potentially severe immunoglobulin e (IgE)--mediated allergy with a risk of anaphylaxis. The aim of this work is to show the value of performing an oral challenge test to confirm the diagnosis of mustard allergy. Presentation of Case: We report the observation of a child who presented with allergy to yellow mustard with all the allergological work-up performed. Discussion: The diagnosis of mustard allergy is delicate; on the basis of the clinical history and the food investigation, as mustard is consumed mainly in a masked form. Cross-allergies are common with mugwort, nuts and rosacea. No threshold value for skin tests or specific IgE can be considered sufficient to confirm or not the diagnosis of food allergy or the secondary acquisition of tolerance to mustard. Conclusion: Oral challenge test is the gold standard for confirming the diagnosis of food allergy; reducing the risk of accidental exposure; validating or not the avoidance diet; and improving quality of life.
Diffuse miliary haemangiomatosis is a rare condition representing 2.5-3% of cases of cutaneous infantile haemangiomas. It is an efflorescence of five or more infantile cutaneous haemangiomas associated with visceral involvement, most commonly liver involvement. The severity is mainly related to the risk of congestive heart failure. These vascular anomalies are characterised by their clinical, evolutionary and structural polymorphism. The prognosis, whether aesthetic, psychological, functional or vital, is very heterogeneous, which conditions their frequently multidisciplinary management. The objective of this work is to report a complicated form of miliary hemangiomatosis illustrating clinical, radiological and biological particularities.
Aims: The prevalence of allergy to Argan oil is increasing over the years. It manifests itself in an extremely polymorphous way and responds to all possible routes of exposure: ingestion, contact or inhalation. The provocation test remains the key examination to confirm an allergy to Argan oil. Presentation of Case: We report the observation of a six-year-old girl presenting with immediate urticaria after ingestion of argan oil. Discussion: The allergological investigation points to sensitisation of the skin only, with positive prick tests. An oral provocation test was performed and published for the first time to confirm the diagnosis of allergy to argan oil in our patient. Conclusion: Argan is widely used for its benefits in the cosmetic industry and as a food ingredient. Further studies are needed to explore the mechanisms of sensitisation to Argan oil.
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