Follicular mucinosis is an uncommon inflammatory disorder that characteristically presents as follicular papules and/or indurated plaques. The face, neck, and. Pages Mucinosis folicular: nuevas entidades clínico-patológicas. Estudio clínico, histológico, inmunohistoquímico e inmunogenotípico de 23 pacientes*. Follicular Mucinosis in Childhood: A Case Report and Review of the Literature. Mucinosis folicular en la infancia: aportación de un caso y revisión de la.

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It was described for the first time by Pinkus et al. Pathophysiology Alopecia mucinosa is a disease process defined histopathologically by mucin deposition in hair follicles and sebaceous glands, which undergo epithelial reticular degeneration. Such entities may follow an indolent course or evolve into tropical follicle T-cell mucinoais, fungoid micosis or anaplastic lymphoma.

Mucinosiss Am Acad Dermatol. Primary localized disease affects patients younger than 40 years and primarily occurs in the pediatric population. Alopecia mucinosa can occur secondary to benign disease including the inflammatory conditions lupus erythematosuslichen simplex chronicusand angiolymphoid hyperplasia.

Primary acute disease usually disappears within 2 years; however, childhood alopecia mucinosa is folifular always self-limited and may possibly be related to Hodgkin disease.

Follicular mucinosis responding to dapsone.

Alopecia Mucinosa

Variations occur covering a range from nodular forms to others that simulate folliculitis, 10 alopecia areata, 11 cicatricial alopecia, 12 chronic eczema, 13 acneiform lesions, 14 urticaria mucinsis and erythrodermic forms inclusive.

Br J Dermatol ; In mcinosis, Pinkus 3 described a novel dermatological entity under the name of alopecia mucinosa, in a presentation of his observations on six patients carrying the novel infirmity. The research of thermal, pain and tactile sensitivity was inconclusive. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


Clinically, mucinnosis is characterized by the presence of papules or well-circumscribed and infiltrated plaques. Besides Hansen’s disease, primary FM must be differentiated from persistent reaction to insect bite, lymphocytoma and lymphocytic infiltrate, among others. Clinically, it is characterized by the presence of papules or well-circumscribed and infiltrated plaques.

The malignant potential of alopecia mucinosa cannot be fully assessed because of the enigmatic nature of this and other cutaneous T-cell abnormalities. A possible diagnostic sign. Secondary alopecia mucinosa is also associated with malignant disease, including mycosis fungoidesKaposi sarcomaand Hodgkin disease ; mycosis fungoides is by far the most common association.

Mucinosis folicular | Piel. Formación continuada en dermatología

Its pathogenesis, however, remains unknown, even though the role of circulating immune complexes and cell immunity have already been considered. To improve our services and products, we use “cookies” own or third parties authorized to show advertising related to client preferences through the analyses of navigation customer behavior.

The morbidity of primary alopecia mucinosa is generally restricted to cosmesis; whereas, in cases of secondary alopecia mucinosa, morbidity is related to the associated disease process. The frequency with which lymphomas arise in FMu patients is very variable, once the criteria adopted in the distinct series are not uniform. Mycosis fungoides-associated follicular mucinosis under adalimumab.

Prognosis The prognosis of alopecia mucinosa depends on the specific clinical variant, as follows: By Hermann Pinkus, M.

Clin Exp Dermatol ; Its cause remains unknown, 6 but the current tendency is to consider it a standard of follicular epithelium reaction to diverse noxas. The dermatological test showed evidence of an erythematous plaque, which was lightly infiltrated, had mucinoxis circular configuration, was very well defined and measured approximately three centimeters in diameter.


The primary disorder of young persons consists of focal cutaneous lesions with limited progression. Sensory imbalance in alopecia mucinosa. This is a jelly-like complex carbohydrate substance, called hyaluronic acid, that occurs normally as part of the connective tissue in the dermis or mid-layer of the skin.

Mortality is related to the coexistence of mycosis fungoides in secondary alopecia mucinosa. Primary chronic alopecia mucinosa of older persons affects people older than 40 years. The dermatosis can have several clinical variants.

Follicular mucinosis

The evaluation of thermal, pain and tactile sensitivity was inconclusive. National Center for Biotechnology InformationU. Options for Treatment Follicular Mycosis Fungoides: A 5-year-old girl child presented with a two-year history of a non-pruritic, occasionally scaly spots initially present on the back, which spread to involve the trunk. Mucinoses are a diverse group of uncommon skin disorders. CiteScore measures average citations received per document published.

It is believed that follicular keratinocytes are responsible for mucin production, as a response to the stimulus of cytokines released by perifollicular T lymphocytes.

February 14, ; Accepted: In the case presented, the histological examination was essential for the diagnosis, since the inflammatory infiltrate composed of macrophages, perifollicular and perivascular lymphocytes, with no atypias or epidermotropism, rejected the diagnosis of childhood tuberculoid leprosy, confirming the diagnosis of FM.

PFM in older adults usually mucinoais widespread lesions and can last indefinitely.