La Revue de medecine interne · 2001
[Is alopecia areata a psychosomatic disease?].
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Misery L, Rousset H
Аннотация
INTRODUCTION: Destruction of hair follicles by lymphocytes induces alopecia aerata. Hence, immunological mechanisms are involved in this disease, as for numerous dermatoses. Nonetheless, alopecia aerata appears to be a psychosomatic disease. Is there any contradiction?
CURRENT KNOWLEDGE AND KEY POINTS: Alopecia aerata often occurs after stress, particularly during mourning. Psychiatric disorders are more frequent in patients with alopecia than in healthy subjects. But these disorders might be secondary to the visible hair disease. Psychopathological mechanisms need to be clarified but alexithymia seems to be the key for understanding how stress could induce hair loss. In the skin (and the scalp) all functions are narrowly controlled by nerve fibers. Among these functions are hair growth and immunity. Immune cells and hair follicle cells possess receptors for neurotransmitters, which are synthesized by neuronal endings. When activated, these receptors are able to modulate cell properties. The same phenomena are described with stress-induced hormones. In alopecia aerata, like in numerous other diseases, psychosomatics and immunology are not opposed because immune cells are controlled by the nervous system through neurotransmitters.
FUTURE PROSPECTS AND PROJECTS: Research needs to be thorough in both the fields of psychology and neurobiology. Psychotherapies or psychotropes appear to be useful in the treatment of alopecia aerata.
CURRENT KNOWLEDGE AND KEY POINTS: Alopecia aerata often occurs after stress, particularly during mourning. Psychiatric disorders are more frequent in patients with alopecia than in healthy subjects. But these disorders might be secondary to the visible hair disease. Psychopathological mechanisms need to be clarified but alexithymia seems to be the key for understanding how stress could induce hair loss. In the skin (and the scalp) all functions are narrowly controlled by nerve fibers. Among these functions are hair growth and immunity. Immune cells and hair follicle cells possess receptors for neurotransmitters, which are synthesized by neuronal endings. When activated, these receptors are able to modulate cell properties. The same phenomena are described with stress-induced hormones. In alopecia aerata, like in numerous other diseases, psychosomatics and immunology are not opposed because immune cells are controlled by the nervous system through neurotransmitters.
FUTURE PROSPECTS AND PROJECTS: Research needs to be thorough in both the fields of psychology and neurobiology. Psychotherapies or psychotropes appear to be useful in the treatment of alopecia aerata.