Scientific corner

The efficacy of intensive granulocyte and monocyte adsorption apheresis in a patient with Crohn’s disease complicated by extensive subcutaneous aseptic neutrophilic abscesses.

Shingo Kato 1Eriko HosomiFumi AmanoTaisuke KobayashiKazuhito KaniRyuichi YamamotoTomonari OgawaAkihiko MatsudaYoshiki SatoSeiichi IzakiTetsuya MitaraiKoji Yakabi, J Crohns Colitis. 2012 Aug;6(7):787-91.

Background and aims: Subcutaneous aseptic abscess is one phenotype of neutrophilic dermatitis. We were interested to see if a case of steroid refractory Crohn’s disease (CD) complicated by subcutaneous aseptic neutrophilic abscesses responds to intensive granulocyte/monocyte adsorptive apheresis (GMA). Methods: The patient was a 21-year-old male with worsening severe CD while on oral prednisolone (30 mg/day). His symptoms included fever, bloody diarrhoea and multiple painful subcutaneous nodules throughout his body. Skin biopsy showed chronic panniculitis with neutrophilic infiltrates. Further, colonoscopy showed oedematous sigmoid colon, while colonic biopsy showed non-caseous granuloma. Because biologics were feared to increase the risk of bacteraemia as the result of germ culture on his pus was not known at the time, we decided to treat this case with GMA. Five GMA sessions with the Adacolumn over 5 consecutive days (daily GMA) were initiated. Results: On admission, his CD activity index (CDAI) was 355, C-reactive protein (CRP) 11.2 mg/dL. After 5 GMA sessions, CDAI decreased to 170, and CRP fell to 5.0 mg/dL, with no fever. GMA was restarted at 2 sessions/week (total 10 sessions). The patient’s CDAI fell to <150, and the skin lesions re-epithelialized. Conclusions: In this CD case complicated by subcutaneous aseptic neutrophilic abscesses, GMA appeared to be effective. Our impression is that when biopsy reveals neutrophil infiltrate is a major feature of the lesions, GMA should be considered. As GMA appears to have no safety concerns, a frequent GMA protocol, like daily followed by 2 to 3 times/week should be preferred over the routine weekly GMA.

Scientific corner

Efficacy of granulocyte and monocyte adsorption apheresis for pustular psoriasis

Mariko Seishima 1Yoko MizutaniYoshinao ShibuyaChikako NagasawaTakahiko Aoki

Ther Apher Dial 2008 Feb;12(1):13-8. doi: 10.1111/j.1744-9987.2007.00536.x.

Granulocyte and monocyte adsorption apheresis (GCAP) has recently shown remarkable effects on ulcerative colitis, which is characterized by inflammation and neutrophil infiltration. Pustular psoriasis often shows histological findings of neutrophilic pustules in the epidermis, and in Japan is usually treated with etretinate or immunosuppressive agents. However, there are some resistant cases to these therapies. We performed GCAP on one patient with generalized pustular psoriasis (patient 1) and on one patient with acrodermatitis continua, a subtype of pustular psoriasis limited to acral lesions (patient 2). Patient 1, a 44-year-old woman suffering from alcoholic liver cirrhosis and osteoporosis as a result of the liver cirrhosis, received two GCAP sessions because cyclosporine was ineffective. Patient 2, a 66-year-old man with hypertension who had suffered from a brain infarction 4 years before, had five GCAP sessions because etretinate was ineffective. GCAP remarkably improved the skin lesions in both patients. No adverse effects were observed either during or after treatment. From these findings, GCAP could be an effective therapy for refractory cases of pustular psoriasis.

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