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Pyoderma gangrenosum complicated with myelodysplastic syndrome followed by rapidly progressing pyothorax-associated lymphoma: a case report.

This report describes a patient with pyoderma gangrenosum (PG) complicated with myelodysplastic syndrome (MDS) followed by rapidly progressing pyothorax-associated lymphoma (PAL). A 74-year-old man was admitted with cutaneous gangrene associated with MDS. We diagnosed him as having PG, and high-dose oral prednisolone was started. Two months after admission he developed lymphoma rapidly. The patient died in spite of radiation therapy. On autopsy, the pathological diagnosis was diffuse large cell lymphoma. Epstein-Barr virus (EBV)-encoded RNA, and EBV-encoded nuclear antigen (EBNA) were detected in lymphoma cells. This case suggested that immunosuppressive therapy might favour the clonal proliferation of EBV-infected cells.

Aged↗

Pyoderma gangrenosum in Crohn's disease: report of a case.

A case of pyoderma gangrenosum of the abdominal wall occurring in a patient with histologically proven Crohn's disease of the colon is described. An aggressive surgical approach (wide excision with delayed skin grafting) resulted in rapid healing of the abdominal wall. Subsequent colectomy through the previously involved abdominal site was accomplished without complication.

Abdominal Muscles↗

Neutrophilic dermatosis of myeloproliferative disorders. Atypical forms of pyoderma gangrenosum and Sweet's syndrome associated with myeloproliferative disorders.

Atypical forms of pyoderma gangrenosum (PG) and Sweet's syndrome (SS) (acute febrile neutrophilic dermatosis) have been separately reported in association with various forms of leukemia over the past decade. A case in which both atypical bullous PG and atypical SS occurred in a patient with myeloid metaplasia is presented, and the literature is reviewed concerning the association of these dermatoses with neoplasias of myeloid origin. The current case and review support the thesis that these dermatoses, when associated with myeloproliferative disorders, represent points on a continuum of noninfectious, nonmetastatic, inflammatory neutrophilic dermatoses that may occur in patients with derangements in myeloid cell proliferation.

Adult↗

Isolated foot ulcer complicating acute leukemia: an unusual manifestation of herpes simplex virus infection simulating pyoderma gangrenosum.

An isolated foot ulcer developed in a child with newly diagnosed acute mixed lineage leukemia during induction chemotherapy. Despite its clinical resemblance to pyoderma gangrenosum, herpes simplex virus infection was eventually diagnosed on histopathology. Treatment with oral acyclovir was ineffective, but the ulcer healed with intravenous acyclovir followed by oral valaciclovir. Viral infection remains an unusual but important cause of isolated extragenital cutaneous ulceration in the immunocompromised child.

Acyclovir↗

Association of pyoderma gangrenosum and sterile osteomyelitis in a patient having myelodysplastic syndrome with der(1;7)(q10;q10).

Neutrophilic dermatoses such as Sweet's disease and pyoderma gangrenosum (PG) are occasionally associated with myelodysplastic syndrome (MDS). We present here a 67-yr-old male having PG and sterile osteomyelitis in association with underlying MDS (refractory anemia) and Crohn's disease. To establish the diagnosis of MDS, sternal bone marrow puncture was performed, which showed chromosomal abnormality containing der(1;7)(q10;q10). After the puncture, he suffered from gradually progressive skin ulceration, flare, and bone pain. Magnetic resonance imaging (MRI) of the sternum showed severe inflammation in the sternum and the overlying subcutaneous tissue. All of the cultures obtained from the wound were negative for both bacteria and fungus. Biopsy was performed from the antero-sternal skin lesion, which showed epidermal ulceration with prominent infiltration of neutrophils. He was thus diagnosed as having PG and sterile osteomyelitis, and was treated with prednisolone, which completely resolved the symptoms. We consider that the bone marrow aspiration in the present patient provoked PG and sterile osteomyelitis. As was previously reported by others, certain chromosomal abnormalities in MDS may be related with the development of neutrophilic dermatoses.

Aged↗

Superficial granulomatous pyoderma gangrenosum of the face, successfully treated by ciclosporine: a long-term follow-up.

We report a case of the superficial granulomatous (vegetating) form of pyoderma gangrenosum, involving the forehead and the left temporal area in a 44-year-old woman. No association with other pathologies could be found. Lesions responded dramatically to systemic ciclosporine (5 mg/kg/day), and complete healing was reached after 6 months. Doses were tapered progressively. Treatment was discontinued after 4.5 years. Discontinuation was not followed by recurrence of the disease. Healing is maintained after another 4.5 years of follow-up.

Administration, Oral↗

Pyoderma gangrenosum and erosive peripheral arthritis.

We describe two patients with biopsy-proven pyoderma gangrenosum who developed a peripheral erosive arthritis resembling that seen in psoriatic arthritis. This association is discussed with particular reference to reactive arthritis.

Arthritis↗

Treatment of pyoderma gangrenosum with benzoyl peroxide.

A fifty-three year old woman presented with pyoderma gangrenosum on the right buttock. She had associated intestinal symptoms, but repeated roentgenologic studies revealed no abnormalities. Local treatment with benzoyl peroxide (20 percent) lotion produced clearing of the cutaneous lesion in about six weeks.

Benzoyl Peroxide↗

Severe recalcitrant pyoderma gangrenosum responding to a combination of mycophenolate mofetil with cyclosporin and complicated by a mononeuritis.

We describe a 17-year-old boy with severe recalcitrant pyoderma gangrenosum. Healing was achieved with a combination of mycophenolate mofetil and cyclosporin, negative pressure dressings and split-skin grafts. His recovery was complicated by a sciatic nerve palsy, which we believe was caused by direct involvement of the nerve at the level of the sciatic notch.

Adolescent↗

Mycosis fungoides bullosa simulating pyoderma gangrenosum.

A patient with mycosis fungoides (MF) bullosa had a rapidly growing, painful necrotic mass on the left ankle which extended by peripheral bulla formation, clinically resembling pyoderma gangrenosum. Histopathology confirmed MF bullosa with both intraepidermal and subepidermal bulla formation.

Antineoplastic Agents, Phytogenic↗

Pyoderma gangrenosum Preceding the diagnosis of systemic lupus erythematosus.

Patients with systemic lupus erythematosus (SLE) often develop leg ulceration, particularly those with antiphospholipid antibodies or with vasculitis. Pyoderma gangrenosum (PG) is an idiopathic ulcerative neutrophilic dermatosis that is commonly associated with inflammatory bowel disease or seronegative polyarthritis. Although PG-like lesions have been commonly described in patients with the antiphospholipid antibody syndrome, the occurrence of PG as a preceding manifestation of SLE has only rarely been reported. We present a patient who developed PG roughly 8 years prior to developing SLE.

Adult↗

Clofazimine in dermatitis ulcerosa (pyoderma gangrenosum). Open clinical trial.

Five patients suffering from dermatitis ulcerosa (a variant of pyoderma gangrenosum) were treated with clofazimine in a daily dosage of 200 mg orally. Complete healing was noted in 2 patients, partial response in 2, no effect in 1. Side effects were mild and transitory in form of a red coloring of the skin (all patients) and mild ichthyosis (2 patients).

Adult↗

Pyoderma gangrenosum with pulmonary involvement.

A 60-year-old woman had a typical pyoderma gangrenosum with monoclonal IgA gammopathy and atrophic gastritis. Two years after the onset of her skin disease, she had evidence of pulmonary abscesslike involvement. Corticosteroid therapy led to healing of skin and lung diseases. This case stresses the multisystemic manifestations of neutrophilic dermatoses with special attention to pulmonary involvement.

Drug Administration Schedule↗

Pyoderma gangrenosum successfully treated with cyclosporin A.

The subjects of the study are a 48-year old male and a 50-year female patient with the idiopathic form of pyoderma gangrenosum. Both patients were treated with Cyclosporin A (Sandimmun) as monotherapy. Complete resolution was achieved after three months' treatment. No serious side-effects were observed.

Cyclosporine↗