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- W4206543708 abstract "Cutaneous granulomatous vasculitis is a rare histopathologic finding that has been reported in association with systemic vasculitis, lymphoproliferative disorders, autoimmune disorders, and infection. Granulomatous cerebral vasculitis and pulmonary, lymphatic, and renal granulomas have rarely been reported in association with systemic lupus erythematosus (SLE), and the pathogenesis of granuloma formation is unclear.1Datta S.K. Gandhi V.C. Lee H.J. Pillay V.K.G. Dunea G. Granuloma in systemic lupus erythematosus.S Afr Med J. 1972; 46: 1514-1516Google Scholar,2Koerner C. Sommer C. Knauth M. Breitbart A. Wildemann B. Granulomatous cerebral vasculitis in systemic lupus erythematosus during systemic remission of disease.J Neurol. 2000; 247: 722-724Google Scholar Here, we report a case of SLE with cutaneous granulomatous vasculitis. A 53-year–old man with a history of non-Hodgkin’s lymphoma diagnosed in 2015, treated with chemotherapy and in remission for 4 years, presented with an asymptomatic rash of the head and trunk that had been present for 2 years. The patient was not taking any medications. Review of systems was positive for dyspnea, productive cough, and unintentional weight loss of 7 kg. On examination, there were many scattered, slightly depressed, indurated, and hyperpigmented 1- to 2-cm plaques on the temporal and occipital scalp, forehead, and cheeks and smaller uniform plaques on the chest (Fig 1). Punch biopsy of a lesion on the right side of the chest demonstrated atrophic epidermis, vacuolar interface changes, and a thickened basement membrane. There was a superficial and deep perivascular, periadnexal, and perineural lymphoplasmacytic infiltrate with increased mucin in the dermis (Fig 2). A granulomatous vasculitis of medium-sized blood vessels at the junction of the dermis and subcutaneous fat was present (Fig 3). Gram, Fite, acid-fast bacilli, and treponemal stains were negative.Fig 2A, Deep periadnexal lymphoplasmacytic infiltrate. B and C, Vacuolar interface change at the dermoepidermal junction. D, Periodic acid–Schiff stain highlights thickened basement membrane. E, Colloidal iron stain highlights increased mucin in the dermis. (A, B, and C, Hematoxylin-eosin stain; D, periodic acid–Schiff stain; E, colloidal iron stain; original magnifications: A, B, and C, ×100; D and E, ×200.)View Large Image Figure ViewerDownload Hi-res image Download (PPT)Fig 3A, Punch biopsy specimen with a scant superficial and deep perivascular, periadnexal, and perineural lymphoplasmacytic infiltrate. B, Medium-sized blood vessel at the junction of the dermis and subcutaneous fat with dense granulomatous inflammation permeating the vessel wall and surrounding dermis. C, Atrophic epidermis with a patulous infundibulum, follicular plugging, basal layer vacuolization, and pigment incontinence. D, CD68 highlights histiocytes of the granulomatous vasculitis. (A, B, and C, Hematoxylin-eosin stain; D, CD68 immunohistochemistry stain; original magnifications: A, ×20; B and C, ×100; D, ×200.)View Large Image Figure ViewerDownload Hi-res image Download (PPT) The laboratory findings were notable for pancytopenia, low levels of C3 and C4, antinuclear antibody >1:160, anti–double-stranded DNA >300, anti-Smith >300, antiribonucleoprotein >8, and positive anti-Sjogren's syndrome A, anti-cardiolipin, and anti–B2-glycoprotein. Rheumatoid factor and antineutrophil cytoplasmic autoantibodies (ANCAs) were negative. Urinalysis revealed 100+ proteinuria. Infectious workup was negative for HIV, hepatitis A, B, and C, tuberculosis, and syphilis. Computed tomography scan of the chest demonstrated patchy bilateral ground-glass opacities and axillary, mediastinal, and bilateral hilar lymphadenopathy. A bronchoscopy was performed, and multiple lymph node biopsies were negative for malignancy. The clinical, laboratory, and histologic findings were supportive of discoid lupus and underlying SLE with granulomatous vasculitis. The patient was started on prednisone 60 mg daily with rapid improvement of his systemic symptoms. At the 2-week follow-up, anti–double-stranded DNA had decreased to 61 from >200, and the levels of C3 and C4 had increased. Mycophenolate mofetil was introduced as a steroid-sparing agent with sustained improvement. Vasculitis is not an uncommon complication of SLE, with an estimated prevalence of 11% to 36%.3Barile-Fabris L. Hernández-Cabrera M.F. Barragan-Garfias J.A. Vasculitis in systemic lupus erythematosus.Curr Rheumatol Rep. 2014; 16: 440https://doi.org/10.1007/s11926-014-0440-9Google Scholar Cutaneous small-vessel vasculitis is the most common form of vasculitis in patients with SLE, although there may also be involvement of the viscera. It usually presents with palpable purpura, petechiae, livedo reticularis, or ulcerations.4Calamia K.T. Balabanova M. Vasculitis in systemic lupus erythematosis.Clin Dermatol. 2004; 22: 148-156https://doi.org/10.1016/j.clindermatol.2003.12.022Google Scholar In a cohort study of 540 SLE patients with vasculitis, cutaneous manifestations were the main clinical presentation in 89% of patients, with 86% of these patients presenting with small-vessel vasculitis and 14% presenting with medium-vessel vasculitis.3Barile-Fabris L. Hernández-Cabrera M.F. Barragan-Garfias J.A. Vasculitis in systemic lupus erythematosus.Curr Rheumatol Rep. 2014; 16: 440https://doi.org/10.1007/s11926-014-0440-9Google Scholar Leukocytoclastic vasculitis, which is characterized by fibrinoid changes in the vessel walls composed of immunoglobulin and complement, is the most common histopathologic finding.4Calamia K.T. Balabanova M. Vasculitis in systemic lupus erythematosis.Clin Dermatol. 2004; 22: 148-156https://doi.org/10.1016/j.clindermatol.2003.12.022Google Scholar Granulomatous vasculitis in conjunction with SLE was reported in one case of granulomatous cerebral small-vessel vasculitis in a patient with SLE who presented with worsening neuropsychiatric symptoms.2Koerner C. Sommer C. Knauth M. Breitbart A. Wildemann B. Granulomatous cerebral vasculitis in systemic lupus erythematosus during systemic remission of disease.J Neurol. 2000; 247: 722-724Google Scholar Pleural granulomas were reported in one case report of a patient with SLE.1Datta S.K. Gandhi V.C. Lee H.J. Pillay V.K.G. Dunea G. Granuloma in systemic lupus erythematosus.S Afr Med J. 1972; 46: 1514-1516Google Scholar However, to our knowledge, no cases of cutaneous granulomatous vasculitis in SLE have been previously reported. Many conditions can present with granulomatous vasculitis as a primary or secondary finding. The lung is the most common site for granulomatous vasculitis, and cutaneous manifestations of granulomatous vasculitis include erythematous papules, nodules, and ulcers. Primary vasculitides, such as granulomatosis with polyangiitis (GPA) and eosinophilic granulomatosis with polyangiitis (EGPA), are characterized by the combination of granulomatous inflammation and necrosis within or near vessel walls of the upper or lower respiratory tract.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar Cutaneous biopsy often reveals small-vessel leukocytoclastic vasculitis, though granulomatous medium-vessel vasculitis can be seen in areas of skin nodules.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar An estimated 90% of patients with GPA or EGPA have positive antineutrophil cytoplasmic autoantibodies (ANCAs), and granulomatous lesions may be a source of ANCA-producing autoreactive B cells.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar This is significant, because localized GPA with more granulomatous features tends to have more frequent relapses.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar Granulomatous vasculitis can also be seen as a secondary finding in infection, autoimmune conditions such as sarcoidosis and rheumatoid arthritis, and lymphoproliferative disorders, although it is still more commonly seen in the lungs than in the skin.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar For example, cutaneous granulomatous vasculitis has been reported in association with lymphomatoid granulomatosis, a B-cell lymphoma characterized by atypical angiocentric lymphoid infiltrates.6Wei C.H. Huang Y.H. Shih Y.C. Tseng F.W. Yang C.H. Sarcoidosis with cutaneous granulomatous vasculitis.Australas J Dermatol. 2010; 51: 198-201https://doi.org/10.1111/j.1440-0960.2010.00630.xGoogle Scholar On the other hand, biopsies of cutaneous sarcoidosis with lesions clinically resembling vasculitis tend to show noncaseating granulomas in the dermis, rather than true granulomatous vasculitis.6Wei C.H. Huang Y.H. Shih Y.C. Tseng F.W. Yang C.H. Sarcoidosis with cutaneous granulomatous vasculitis.Australas J Dermatol. 2010; 51: 198-201https://doi.org/10.1111/j.1440-0960.2010.00630.xGoogle Scholar Importantly, the prognosis of patients with ulcerative lesions and underlying cutaneous granulomatous vasculitis was more favorable than the prognosis of those with systemic granulomatous vasculitis.6Wei C.H. Huang Y.H. Shih Y.C. Tseng F.W. Yang C.H. Sarcoidosis with cutaneous granulomatous vasculitis.Australas J Dermatol. 2010; 51: 198-201https://doi.org/10.1111/j.1440-0960.2010.00630.xGoogle Scholar Gibson et al7Gibson L.E. el-Azhary R.A. Smith T.F. Reda A.M. The spectrum of cutaneous granulomatous vasculitis: histopathologic report of eight cases with clinical correlation.J Cutan Pathol. 1994; 21: 437-445https://doi.org/10.1111/j.1600-0560.1994.tb00286.xGoogle Scholar reported eight cases of cutaneous granulomatous vasculitis, two of which were associated with sarcoidosis, two with concurrent lymphoma, one with systemic granulomatous vasculitis, and one with active herpes simplex virus infection. None were associated with SLE. Granulomatous medium- or large-vessel vasculitis is not thought to be a feature of SLE, although it can rarely be seen in sarcoidosis and lymphoproliferative disorders, primarily lymphoma.6Wei C.H. Huang Y.H. Shih Y.C. Tseng F.W. Yang C.H. Sarcoidosis with cutaneous granulomatous vasculitis.Australas J Dermatol. 2010; 51: 198-201https://doi.org/10.1111/j.1440-0960.2010.00630.xGoogle Scholar Although our patient had a distant history of non-Hodgkin’s lymphoma, he had been successfully treated with chemotherapy and had been in remission for 4 years, with multiple negative posttreatment positron emission tomography/computed tomography scans, as well as negative lymph node biopsies during this hospitalization. Furthermore, skin biopsy did not demonstrate atypical angiocentric lymphoid infiltrates, which are characteristic of lymphomatoid granulomatosis. Our patient did not meet the diagnostic criteria for sarcoidosis, and skin biopsy did not demonstrate any noncaseating granulomas characteristic of sarcoidosis. The patient also had negative ANCAs, which have an estimated 90% positivity rate in GPA and EGPA, and without the glomerulonephritis that would be expected in GPA or the asthma and eosinophilia that would be expected in EGPA, SLE and ANCA-associated vasculitis overlap syndrome is not likely.5Pagnoux C. Bienvenu B. Guillevin L. The spectrum of granulomatous vasculitides.Fut Rheumatol. 2006; 1: 729-750https://doi.org/10.2217/17460816.1.6.729Google Scholar Our patient also denied having joint pain and had a negative rheumatoid factor, excluding rheumatoid arthritis. Although polyarteritis nodosa can cause a granulomatous medium-vessel vasculitis, the consulting nephrology service declined to perform additional studies, such as renal angiography or renal biopsy, given their high suspicion for SLE. Both the clinical and histopathologic findings in SLE are highly variable, and cutaneous granulomatous vasculitis is an extremely rare but notable finding. Recognition that SLE may present with cutaneous granulomatous vasculitis may have prognostic implications, and it is important to keep SLE on the differential for cutaneous granulomatous vasculitis. We report this case for its clinical and histopathologic interest. None disclosed. We are indebted to the patient for granting permission to publish this article." @default.
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- W4206543708 title "A case of SLE with cutaneous granulomatous vasculitis" @default.
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