Cases reported "Panniculitis"

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1/27. Monitoring of phagocytic activity in histiocytic cytophagic panniculitis.

    Histiocytic cytophagic panniculitis presents with subcutaneous panniculitis. Histologically, it is characterized by phagocytosis of blood cells in the subcutaneous tissue and bone marrow. One patient with histiocytic cytophagic panniculitis is described in whom hemophagocytosis macrophages and histiocytes was observed histologically and was confirmed in vitro measuring phagocytosis by peripheral blood monocytes by means of chemiluminescence. in vitro measurements of phagocytosis corresponded well with the clinical course. Chemiluminescence for measuring phagocytosis in vitro may be suitable for analyzing disease activity and for testing therapeutic compounds in vitro.
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keywords = macrophage, bone
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2/27. Subcutaneous nodules in Whipple's disease.

    BACKGROUND: Cutaneous findings other than hyperpigmentation are rare in Whipple's disease. CASE REPORT: We present the case of a 59-year-old man previously diagnosed with Whipple's disease by duodenal biopsy, who developed red-brown, painful, subcutaneous nodules on the buttocks, thighs, arms and legs. biopsy of these nodules showed a septal panniculitis and foamy macrophages containing PAS-positive, diastase resistant intracytoplasmic material, characteristic of Whipple's disease and similar to that observed in the duodenal biopsy. Ultrastructurally, this material in the histiocytes corresponded to degenerated bacilli. CONCLUSIONS: This is the fourth documented case of subcutaneous involvement by Whipple's disease. One should consider the possibility of Whipple's disease in any patient who presents with symptoms compatible with that condition who demonstrates septal panniculitis with a large amount of foamy histiocytes.
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ranking = 0.99950237253017
keywords = macrophage
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3/27. An ultrastructural study of cutaneous panniculitis-like T-cell lymphoma: cytoplasmic granules and active cellular and cell-to-matrix interaction mimic cytotoxic T-cells.

    Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a rare type of peripheral T-cell-derived lymphoma. A 30-year-old Japanese woman presented, complaining of skin lesions on her left hip. The cellular constituents in this SPTCL were of a mixed population. Not only tumor lymphoid cells, but also many macrophages, endothelial, fibroblasts, and fat cells were seen. The tumor cells immunostained positive for CD3 and CD8, but negative for CD4. Cytotoxic injury granule-related antigens of TIA-1 and granzyme B were positive in tumor cells. CD30. CD56, EBNA-2, LMP-1, CD20cy, and CD68 were all negative in the tumor cells. An ultrastructural study revealed that the lymphoma cells showed primitive cellular contacts with the neighboring tumor cells, interacted with the short villous dendrites of the opposing macrophage and fibroblast cellular membranes, and were associated with the vascular constituents, fat cells, and the extracellular matrix. Small aggregations of the granules were frequently seen in the cytoplasm. It was speculated that the tumor cells to some extent preserve the cytotoxic T-cell structure and function, have active cellular and cell-to-matrix interaction, contain characteristic cytoplasmic granules, and reveal unique histology like panniculities.
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ranking = 1.9990047450603
keywords = macrophage
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4/27. Inflammatory myopathy with abundant macrophages (IMAM): a condition sharing similarities with cytophagic histiocytic panniculitis and distinct from macrophagic myofasciitis.

    We describe the unreported pattern of inflammatory myopathy with abundant macrophages (IMAM) as a main differential diagnosis of postimmunization aluminum hydroxide-induced macrophagic myofasciitis (MMF). IMAM was mainly detected among patients with a dermatomyositis (DM)-like disease. Among 113 muscle biopsies from DM patients collected from 1974 to 2000, intensity of macrophage infiltration was highly variable: 41.5% (-/ ); 34.5% ( ); 17% ( ): and 7% ( ). The 27 patients from groups ( ) and ( ) had a similar pattern of macrophagic infiltration and were considered to have IMAM. They were compared to 40 MMF patients. In IMAM, macrophage infiltrates were diffuse and correlated positively with both T cell infiltrates and acute muscle fiber damage, and showed pictures of hemophagocytosis (21/27). connective tissue structures were infiltrated by noncohesive, ribbon-forming collections of large basophilic macrophages containing no crystalline inclusions. In MMF, macrophage infiltrates were focal and formed compact well-delineated aggregates of granular PAS cells, loaded with crystalline aluminum hydroxide particles, in the absence of either hemophagocytosis or conspicuous muscle damage. review of the literature indicates similarities between IMAM and "cytophagic histiocytic panniculitis" (CHP), a condition characterized by T cell-triggered macrophage hyperactivation. Both IMAM and CHP, but not MMF, may be associated with a life-threatening hemophagocytic syndrome.
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ranking = 9.9950237253017
keywords = macrophage
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5/27. Acute brucellosis presenting with erythema nodosum.

    brucellosis is a common world-wide zoonotic disease. Cutaneous manifestations are not specific and affect 1-14% of patients with brucellosis. We describe two cases of young males presenting with skin lesions of erythema nodosum on the anterior surface of the legs. Histopathology of skin biopsy revealed septal panniculitis, but the positive cultures of blood or bone marrow for brucella melitensis established the diagnosis of brucellosis.
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ranking = 0.00049762746983177
keywords = bone
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6/27. carcinoma of the pancreas with neuroendocrine differentiation and nodular panniculitis.

    BACKGROUND: On rare occasions tumours of the pancreas produce high amounts of pancreatic lipase. The enzyme activity in the blood and in different tissues causes a syndrome called nodular panniculitis by focal necrosis of lipids and a concomittant inflammatory reaction. CASE REPORT: A 72-year-old man was admitted to the dermatology clinic with the diagnosis of erythema nodosum. The patient had been well until 3 months earlier when painful red nodes developed on the skin of both shanks. He complained of profuse night sweating and a weight loss of 10 kg within that time but did not have fever. He also had noticed a painful swelling of his right index finger, left middle finger and the third toe on his left foot. biopsy of the nodes revealed a focal necrosis of fatty tissue. Laboratory examinations showed a highly elevated concentration of serum pancreatic lipase. Further investigations showed a tumour in the pancreas and several osteolytic lesions. Tumour biopsy revealed a neuroendocrine carcinoma. After tumour resection serum lipase level immediately fell to almost normal values, and all skin and bone manifestations disappeared quickly. CONCLUSION: Due to its clinical appearance the panniculitis syndrome is most often mistaken for either erythema nodosum or rheumatoid arthritis. A resection of the tumour after correct diagnosis should always be considered because the widespread manifestations in the skin and bones do not represent distant metastasis and have a very good chance to dissolve completely.
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ranking = 0.00099525493966354
keywords = bone
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7/27. Fatal hemophagocytic syndrome in a patient with panniculitis-like T-cell lymphoma and no clinical evidence of disease.

    panniculitis-like T-cell lymphoma is an uncommon type of extranodal T-cell lymphoma which presents clinically with subcutaneous nodules. The clinical course can either be indolent or rapidly progressive, often complicated by hemophagocytic syndrome. We report a patient with primary subcutaneous disease and initial complete response to combination chemotherapy. The patient experienced an early relapse which responded to salvage chemotherapy. However, she died shortly thereafter with hemophagocytic syndrome, polymicrobial sepsis and systemic fungal infection. At autopsy there was no evidence of lymphoma in the bone marrow or other organs. We emphasize that a fatal hemophagocytic syndrome can occur despite minimal or even without evidence: of clinically active lymphoma as demonstrated by autopsy in this case.
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ranking = 0.00049762746983177
keywords = bone
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8/27. A case of cytophagic histiocytic panniculitis with sicca symptoms and lupus nephritis.

    A 48-year-old Japanese woman presented with many subcutaneous nodules. The skin was purplish in color and tender; the nodules were scattered over the entire surface. Histological findings of biopsy specimens from the nodules indicated septal panniculitis comprised of histiocyte and/or macrophage infiltrates, often with erythro- and/or leukophagocytosis. Phagocytic cells were OKM1 (CD11b), MT1 (CD43), LeuM3 (CD14), and histiocyte antigen positive, indicating the presence of histiocytes and/or macrophages. The patient had sicca symptoms, positive homogenous, speckled pattern ANA (x320), and diffuse proliferative lupus nephritis.
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ranking = 1.9990047450603
keywords = macrophage
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9/27. q fever: a new cause of 'doughnut' granulomatous lobular panniculitis.

    q fever is an uncommon zoonotic rickettsial disease with no exanthem or specific cutaneous lesions. Only nonspecific cutaneous involvement has been reported to date. A 69-year-old Spanish woman with chronic myelogenous leukaemia developed fever and two subcutaneous nodules. The patient complained of extreme pain. biopsy revealed a granulomatous lobular panniculitis with a characteristic 'fibrin ring' or 'doughnut' appearance: fibrin and inflammatory cells arranged around a central clear space. Changes of membranous lipodystrophy were also found. q fever serological studies were positive. Our patient had panniculitis with singular histopathological features. These histopathological changes have been described in liver and bone marrow of patients with q fever. To the best of our knowledge, this cutaneous involvement due to q fever has not previously been described in the literature.
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ranking = 0.00049762746983177
keywords = bone
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10/27. A case of subcutaneous panniculitis-like T-cell lymphoma with haemophagocytosis developing secondary to chemotherapy.

    A 45-year-old woman presented with fever, generalized skin lesions and multiple lymphadenopathies. In her past history she had had six courses of cyclophosphamide and cisplatin combination chemotherapy 7 years ago because of an ovarian carcinoma. We found pancytopenia in the peripheral blood examination. skin biopsy showed diffuse subcutaneous infiltration reminiscent of panniculitis but composed of malignant lymphoid cells that were of T lineage. bone marrow biopsy showed normocellular myeloid tissue with abundant haemophagocytic macrophages. Subcutaneous panniculitis-like T-cell lymphoma with haemophagocytic syndrome was diagnosed. This is the first case reported of subcutaneous panniculitis-like lymphoma occurring secondary to chemotherapy.
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ranking = 0.99950237253017
keywords = macrophage
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