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PubMed2001

Granulomatous folliculitis as a manifestation of post-herpetic isotopic response.

We report a case of postherpetic granulomatous folliculitis in a 52-year-old female. The several cutaneous granulomatous eruptions following herpes zoster reported in the literature include annular, sarcoid and tuberculoid granuloma, granulomatous vasculitis and granulomatous folliculitis. The mechanism of granuloma formation is probably triggered by a delayed hypersensitivity response to the virus.

Biopsy, Needle↗

PubMed2002

Eosinophilic pustular folliculitis.

Eosinophilic pustular folliculitis is a rase dermatosis and the treatment is difficult because the underlying pathogenic mechanism is unknown. The authors report a case of eosinophilic pustular folliculitis (Ofuji's disease) in a 50-year-old man who died 9 years after onset of the disease.

Diagnosis, Differential↗

PubMedDate not supplied

Eosinophilic pustular folliculitis in association with nevoid basal cell carcinoma syndrome.

This study reports on the clinical and light microscopic features of a nevoid basal cell carcinoma syndrome with the complication of eosinophilic pustular folliculitis. To the authors' knowledge, this is the first report of such an association, which is possibly due to immune dysregulation. Moreover, the patient experienced remission of eosinophilic pustular folliculitis after removal of the jaw cyst. One possible explanation for the remission is that a long-lasting TH, type inflammatory response as a result of the bone defect produces effective cytokines such as interferon-gamma.

Adult↗

PubMed2004

Tufted hair folliculitis: complete enduring response after treatment with rifampicin.

BACKGROUND: A 47-year-old woman presented with erythematous lesions with papules and pustules on her parieto-occipital region that had been present for 8 months. Areas of sclero-atrophic alopecia were evident, whereas at different points tufted hair shafts were coming out from single dilatated follicular ostia. Before our observation, an antibiotic oral therapy with tetracyclines and local with erythromycin had been administered to the patient, with partial improvement and relapse on its suspension. METHODS: Bacterial culture from pustules showed the development of Staphylococcus aureus. A skin biopsy was done. According to clinical and histopathological findings a diagnosis of tufted hair folliculitis was made and a treatment with oral rifampicin was started at the dosage of 450 mg twice per day. RESULTS: After 3 weeks of therapy, the pustular lesions regressed completely and after a follow-up of 1 year no relapse was observed. CONCLUSIONS: Rifampicin is one of the best active antibiotics against S. aureus, which seems to play a role in the pathogenesis of tufted hair folliculitis. Our results, if further confirmed, may suggest a role for rifampicin either for the control of the pustular phase of this rare disorder or to prevent its relapses for a long time.

Anti-Bacterial Agents↗

PubMed1999

Viral folliculitis.

Viral folliculitis is an infrequently reported entity. We describe two patients with viral folliculitides, including a case of herpetic sycosis caused by herpes simplex (HSV) and a case of herpes zoster (HZ) without blisters. Clinicians should consider viral etiologies in the differential diagnosis of superficial infectious folliculitis, especially those cases refractory to antibacterial or antifungal therapy.

AIDS-Related Opportunistic Infections↗

PubMed1985

The evolution of perforating folliculitis in patients with chronic renal failure.

The evolution of perforating folliculitis in six patients with chronic renal failure was investigated with special attention to clinical and histopathologic changes in early, evolving, and mature lesions. Different and distinct histologic features at each stage were found. The earliest lesions, follicular pustules, evolved into perforating folliculitis that eventuated in prurigo nodularis. A combined treatment consisting of an anti-staphylococcal antibiotic by mouth, phototherapy, and application of a topical corticosteroid lotion proved helpful in controlling the generalized pruritus and the evolution of the lesions in these cases.

Adrenal Cortex Hormones↗

PubMed1985

Perforating folliculitis in association with primary sclerosing cholangitis.

Two patients with primary sclerosing cholangitis developed perforating lesions in the skin of the extremities. Clinically and histologically, the cutaneous condition showed the features of perforating folliculitis with superimposed lesions of prurigo nodularis. The course of the eruption paralleled the severity of the biliary disease. A theory of pathogenesis for the development of the perforating folliculitis in these patients is suggested. To the best of our knowledge, this is the first report of the coexistence of both conditions.

Adult↗

PubMed1992

The ultrastructural histopathology of eosinophilic pustular folliculitis.

The follicular skin lesions of a patient with eosinophilic pustular folliculitis were investigated by electron microscopy. Pustules in the outer root sheath contained acantholytic keratinocytes with numerous microvilli and features of desmosomal cleavage. The infiltrating eosinophils and neutrophils exhibited autolytic or degenerative changes rather than degranulation. The aggregated tubulo-vesicular structures were associated with the debris of autolytic eosinophils. Multiple, tiny, bubble-like structures enclosed within a membrane were frequently seen in the intercellular space. The intercellular space of the outer root sheath was widened with decreased desmosomal adhesion between the keratinocytes, but no intracellular edema was detectable. The infiltrating lymphocytes, predominantly T-cells with convoluted nuclei, extended cytoplasmic processes to adjacent keratinocytes. Apposition of T-lymphocytes and Langerhans cells was noted. Some keratinocytes in the outer root sheath contained large, sebaceous lipid droplets. No obvious virus particles or other pathogenic agents were detected. It is possible that T-lymphocytes and other immunosurveillance cells are involved in the pathomechanism of eosinophilic pustular folliculitis.

Adult↗

PubMed1998

HIV-associated eosinophilic pustular folliculitis: successful treatment of a Japanese patient with UVB phototherapy.

We report the successful treatment with ultraviolet B phototherapy of a patient with HIV-associated eosinophilic pustular folliculitis. We were able to observe the clinical and therapeutic course for about one year and three months. This 35-year-old homosexual Japanese man presented with disseminated, discrete, follicular, erythematous papules with intense pruritus over his face, neck, chest wall, and upper back. Initially, the eruption responded to therapy with topical or oral indomethacin and oral H1 antihistamine. However, the eruption was highly prone to recurrence, and it gradually failed to respond to these therapies. The eruption became chronic and persistent and manifested the excoriated, prurigo-like nodules that are typical of reported pruritic papular eruption, suggesting that this skin disease and HIV-associated eosinophilic pustular folliculitis are two forms of the same disease entity. UVB phototherapy in small doses was very effective for the persistent eruption, and no recurrence of the eruption was noted during or since the six-month maintenance therapy (once a week at a dose equivalent to 0.75 of the minimal erythema dose) (9 months total). No unfavorable side effects have been observed during or after the UVB phototherapy (cumulative UVB doses of 2,320 mJ/cm2).

Adult↗

PubMed2000

Pityrosporum folliculitis: renal transplantation case report.

Pityrosporum folliculitis is caused by the fungus Pityrosporum ovale. It is characterized by the presence of pruriginous follicular papulae and papulae-pustules in face, upper part of the trunk, and upper limb root. It is more prevailing in places with hot and humid climates. Its incidence can be associated with either immunosuppressive or chemotherapy states secondary to pathologies. We report herewith a case of pityrosporum folliculitis in a patient who had previously underwent kidney transplantation and these result of the itraconazol therapeutics given.

Adult↗

PubMed2001

A case of folliculitis decalvans involving the beard, face and nape.

Folliculitis decalvans is a rare and chronic progressive hair disorder leading to scarring alopecia and atrophy. Its etiology is still unclear. It starts with areas of perifollicular erythema, and follicular papules and pustules spread peripherally, leaving central scarred patches of alopecia. We report a 27-year-old man who presented with folliculitis decalvans involving the scalp, face, nape, and beard. There were pustules, crusts, and scarring alopecia on the scalp and beard.

Adult↗

PubMed2002

A case of tufted hair folliculitis.

A 35-year-old man developed red papules and plaques with alopecia and hair tufts on the parietal and occipital areas of his scalp. Each tuft was comprised of 5 to 25 hairs arising from individual hair follicules. Histopathological findings showed a dense infiltration of plasma cells in the dermis. Based on these findings, he was diagnosed as tufted hair folliculitis. Oral minocycline and topical gentamicin were not effective, but the patient responded well to four weeks of oral refampicin.

Administration, Oral↗

PubMed2004

Malassezia folliculitis on the scalp of a 12-year-old healthy child.

Malassezia folliculitis is a condition chracterized by itchy follicular papules and pustules with erythema. Malassezia yeasts are the pathogens in this condition. It is mainly located on the back, shoulders, and chest. Presented here is a 12-year-old boy with malassezia folliculitis on the scalp. The case was found to be worthy of presentation because it rarely occurs in childhood and is rarely located on the scalp.

Antifungal Agents↗

PubMed2007

Bullous eosinophilic cellulitis succession with eosinophilic pustular folliculitis without eosinophilia.

Eosinophilic cellulitis is characterized clinically by an acute dermatitis resembling cellulitis with unknown etiology. Eosinophilic pustular folliculitis is also a rare inflammatory dermatosis characterized by recurrent crops of erythematous follicular papulopustules that coalesce to form annular plaques with unclear etiopathogenesis. We describe a 20-year-old white male who had vesiculobullous and plaque-like lesions on the hands and feet and was diagnosed with bullous eosinophilic cellulitis clinically and histologically without any etiological agents. Following therapy with oral corticosteroid and oral tetracycline capsules, the lesions disappeared. After a 2-month asymptomatic period, the patient developed pruritic follicular papules and pustules on the lower and upper extremities and upper back. Stool examination revealed Gierdia intestinalis eggs. The patient had complete clearance with treatment of ornidazol for 2 weeks and indomethacin for 2 months. This is the first report of bullous eosinophilic cellulitis coexisting with eosinophilic pustular folliculitis without eosinophilia in the English published work.

Adult↗

PubMed2007

Perforating folliculitis associated with tumour necrosis factor-alpha inhibitors administered for rheumatoid arthritis.

Perforating dermatoses are characterized by transepithelial elimination of dermal structures. We report a 61-year-old man with rheumatoid arthritis who developed a perforating folliculitis following the administration of two tumour necrosis factor (TNF)-alpha inhibitors, infliximab and etanercept. To our knowledge, no perforating disorders have been reported associated with these drugs. This report suggests, for the first time, a role for TNF-alpha in the pathogenesis of perforating folliculitis.

Antibodies, Monoclonal↗

PubMed1991

Tufted-hair folliculitis.

A 21-year-old man presented with an erythematous pruritic plaque on the right parietal scalp of 2 years' evolution. Physical examination disclosed multiple bundles of hairs emerging from single dilated follicular openings. The disorder followed a relapsing and progressive course, in spite of several topical and systemic treatments. New tufts of hairs appeared in previously non-involved areas only after inflammatory changes occurred. The clinicopathological features, aetiological mechanisms and management of tufted-hair folliculitis are discussed. Tufted-hair folliculitis (THF) is a localized, inflammatory and exudative disease of the scalp characterized by a tufted appearance of the scalp hair, that may result in permanent and irreversible scarring alopecia. This condition was initially described by Smith and Sanderson in 1978 who coined the term THF to illustrate the phenomenon of multiple hairs emerging from single follicular openings. Only nine additional cases of THF have been reported elsewhere. We present herein a patient with recurrent and progressive THF resistant to several therapeutic strategies.

Adult↗

PubMed2005

Acinetobacter baumanii folliculitis in a patient with AIDS.

Gram-negative folliculitis usually involves the face and develops in patients with acne or rosacea during long-term antibiotic therapy. Numerous pathogens have been found, but not, until now, Acinetobacter baumanii which has previously been recognized as an important cause of nosocomial infections and hospital outbreaks. We report here a case of A. baumanii folliculitis of the face, neck, arms and upper part of trunk in a patient with AIDS responding to intravenous treatment with ticarcillin-clavulanic acid. The bacterium was not found on healthy skin and the source of the infection remained unknown.

AIDS-Related Opportunistic Infections↗

PubMed2005

Actinic folliculitis.

We report a case of actinic folliculitis in a 29-year-old woman who presented with a 10-year history of a recurrent pustular eruption affecting her face, typically appearing 4-6 h after exposure to sunlight. Actinic follicuitis is a rare photodermatosis, which falls into the same spectrum as acne aestivalis and actinic superficial folliculitis.

Adult↗