Cases reported "Polyarteritis Nodosa"

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11/590. Perforation of the sigmoid colon with ischemic change due to polyarteritis nodosa.

    A 60-year-old man who developed a perforation of the sigmoid colon with ischemic change due to polyarteritis nodosa is described. Histological examination of the resected colon led to the diagnosis of polyarteritis nodosa. Although the gastrointestinal tract is frequently involved with polyarteritis nodosa, it is extremely rare for polyarteritis nodosa to be accompanied by a perforation of the colon, particularly at the initial presentation.
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12/590. Reversible bilateral hydronephrosis without obstruction in hepatitis B-associated polyarteritis nodosa.

    The manifestations of polyarteritis nodosa (PAN) are varied, but urological abnormalities other than ureteric stenosis and orchitis have not been described. We report a case of hepatitis B-associated PAN with bilateral hydronephrosis without obstruction. Retrograde urography conclusively demonstrated the absence of obstruction. vasculitis-related myopathy, or neuropathy of the ureter, is the most likely cause of this finding. The patient was treated with high-dose steroids, cyclophosphamide, and plasmapheresis with resolution of hydronephrosis. Although the patient required dialysis at initiation of therapy, she went on to recover sufficient renal function to discontinue dialysis. We review the literature on the treatment of hepatitis B-associated PAN and discuss the pitfalls in diagnosis of this condition.
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ranking = 1562.3708666667
keywords = hepatitis, b
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13/590. Polyangiitis overlap syndrome with eosinophilia associated with an elevated serum level of major basic protein.

    Polyangiitis overlap syndrome is a new disease entity and the reported cases in the literature are still limited. We describe a female patient presenting with finger ulcers, skin eruptions, pleural effusion, interstitial pneumonia and eosinophilia. skin biopsy showed systemic small-sized angiitis and thrombosis. She was diagnosed as having polyangiitis overlap syndrome and was successfully then treated with corticosteroid. It is also of interest that the disease activity was correlated with the number of eosinophils in peripheral blood. The measurement of the serum level of major basic protein released from eosinophils functioning as a coagulant indicated the possible association of eosinophilia with thrombosis and polyangiitis.
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14/590. Combined interferon, famciclovir and GM-CSF treatment of HBV infection in an individual with periarteritis nodosa.

    Treatment of chronic hepatitis b virus (HBV) infection in an individual with periarteritis nodosum is described. A combination of famciclovir, granulocyte macrophage colony stimulating factor (GM-CSF) and interferon alpha 2b was utilized. The periarteritis, but not the HBV infection, responded to immunosuppressive therapy consisting of cyclophosphamide and glucocorticoids. Moreover, the patient failed to clear this HBV infection, despite a full year of interferon therapy at 5 MU daily. With the addition of famciclovir and GM-CSF, the HBV infection rapidly resolved and he converted from HBsAg and eAg positive to HBsAb and eAb positive. No exacerbation of his periarteritis nodosum occurred during the course of his antiviral therapy.
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ranking = 293.75304081633
keywords = hepatitis, chronic hepatitis, b
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15/590. Polyarthritis nodosa with mesenteric aneurysms demonstrated by angiography: report of a case and successful treatment of the patient with prednisolone and cyclophosphamide.

    polyarteritis nodosa is a necrotizing angitis that predominantly affects small and medium-sized arteries. The prognosis of untreated polyarteritis nodosa is very poor. Since symptoms are diverse and no serologic test is specific for polyarteritis nodosa, the diagnosis is difficult and often delayed. We describe a patient with polyarteritis nodosa who had gastrointestinal involvement with multiple aneurysms of the inferior mesenteric artery; only abdominal angiography provided a conclusive diagnosis. Alleviation of symptoms and regression of aneurysms were observed after combination therapy of an immunosuppressive agent, cyclophosphamide, and prednisolone. We emphasize the importance of early diagnosis by angiography and aggressive therapy in patients in whom physical signs indicating definite polyarteritis nodosa are not present.
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16/590. Necroqizing enterocolitis with pneumatosis intestinalis in systemic lupus erythematosus and polyarteritis.

    Pneumatosis intestinalis was encountered in association with fatal necrotizing enterocolitis in systemic lupus erythematosus (SLE) and polyarteritis nodosa. The radiologic identification of mottled, bubbly, and linear collections of intramural intestinal gas distinguish this ominous complication from benign pneumatosis cystoides intestinalis. In the setting of intestinal vasculitis due to SLE or polyarteritis nodosa, these characteristic radiologic features indicate necrotizing enterocolitis. Since corticosteroids may mask clinical progression of the intestinal lesion, radiologic evaluation is essential in the overall management of the patient with intestinal vasculitis.
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17/590. Periarteritis nodosa presenting as a breast lesion: report of a case and review of the literature.

    We describe a 34-year-old woman with periarteritis nodosa (PAN) presenting as a breast lesion. Localized involvement of the breast is an unusual manifestation of PAN. To date, 10 cases have been reported: all were in women with an age range of 45-78 years (mean 63). In most cases, breast lesions were an isolated finding, and the prognosis was favourable, setting them apart from the more common form of systemic PAN. The case presented is unusual in that vasculitis developed in the postpartum period, and was associated with cutaneous PAN-like lesions elsewhere on the body, and digital artery occlusion. The most important differential diagnoses of PAN of the breast are infectious mastitis, mammary malignancy and other forms of idiopathic vasculitides of the breast, e.g. giant cell arteritis and wegener granulomatosis.
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18/590. polyarteritis nodosa and cytomegalovirus: diagnosis by polymerase chain reaction.

    We investigated the occurrence of an active cytomegalovirus (CMV) infection in patients with polyarteritis nodosa (PAN). Eleven patients with PAN were screened for the presence of CMV-dna in their blood using the polymerase chain reaction (PCR). serum anti-CMV IgG and anti-CMV IgM antibodies were determined by enzyme-linked immunosorbent assays (ELISA). The ELISA for IgM was negative in all cases whereas that for IgG was positive in eight cases. Only one patient was positive for CMV-dna by PCR. He presented with myalgia, polyarthralgia, fever and weight loss, suggesting PAN activity. CMV infection was uncommon in our series of patients with PAN, despite disease activity and immunosuppressor therapy. The finding of a transient CMV infection in one case at the beginning of PAN activity suggests that CMV may be involved in the pathogenesis of PAN.
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ranking = 3.6666666666667
keywords = b
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19/590. Renal angiogram abnormalities in a case of cutaneous polyarteritis nodosa.

    The existence of a limited cutaneous form of polyarteritis nodosa remains controversial. It has been characterized and contrasted with systemic polyarteritis nodosa by running a chronic course and having a relatively good long-term prognosis. We report a case with clinical features fitting the criteria for cutaneous polyarteritis nodosa but also showing evidence of associated renal aneurysms on selective visceral angiography. These findings suggest that the differentiation between systemic and cutaneous forms might be an oversimplification and we discuss the relationship between the two forms.
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20/590. Early lacunar strokes complicating polyarteritis nodosa: thrombotic microangiopathy.

    OBJECTIVE: To determine the patterns and mechanisms of polyarteritis nodosa (PAN)-associated strokes (PANAS). BACKGROUND: Strokes are reputed to be rare complications of PAN and to occur at a late stage (2 to 3 years). The cause of stroke is unknown but may be related either to atherosclerosis-like occlusive vasculopathy, caused possibly by hypertension or corticosteroid (CS) use, or to vasculitic arterial occlusion. methods: Clinical and radiologic patterns, latencies, and current therapy at onset in 15 PANAS patients (4 of the authors' and 11 published cases) were analyzed. RESULTS: A lacunar stroke syndrome (11/15 cases, 73%) was the most frequent stroke pattern in PANAS (multiple, small, deep infarcts in 6, [55%], pontine lacunae in 3 [27%], and leukoaraiosis in 2 [18%]), followed by pure lobar hematoma and bilateral, possibly cardioembolic, large ischemic infarcts (2 cases each). A stroke latency shorter than that previously established (within 8 months in 73% of cases; mean latency, 6.5 months) and a close relationship between the use of CS and stroke in PAN also were found. Of the 77% of first-time or recurrent lacunar strokes that developed despite CS therapy, 80% appeared within 6 months and 50% within 3 weeks of CS initiation. CONCLUSION: Early lacunar stroke syndrome, related to deep small- or pontine-penetrating artery thrombotic microangiopathy rather than vasculitis, was the most frequent PANAS pattern. This vasculopathy may be aggravated by corticosteroid (CS) therapy enhancement of either platelet thromboxane a2 production or arterial wall fibrosis. Thus, antiplatelet drugs in association with CS may be advisable for preventing stroke occurrence or recurrence in PAN.
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ranking = 8
keywords = b
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