Cases reported "Lymphoma, Non-Hodgkin"

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1/1917. Non-Hodgkin lymphoma in acquired immunodeficiency syndrome manifesting as bilateral hypopyon.

    Orbital lymphoma is a rare event. This is the first case report of a patient with acquired immunodeficiency syndrome-associated lymphoma, in which orbital lymphoma presented as bilateral hypopyon. This was the terminal manifestation of a highly aggressive disease, which progressed despite appropriate treatment. ( info)

2/1917. Lymphomatosis cerebri presenting as a rapidly progressive dementia: clinical, neuroimaging and pathologic findings.

    Primary central nervous system lymphoma (PCNSL) usually presents with clinical and neuroimaging findings consistent with single or multiple intracranial mass lesions. On cranial magnetic resonance imaging (MRI), such lesions are nearly always contrast enhancing, reflecting disruption of the blood-brain barrier at the site of tumor nodules. We describe 2 cases from the UCLA Medical Center who developed a rapidly progressive dementia due to extensive gray and white matter cerebral lesions involving much of the brain. In the patient who came to autopsy, widely infiltrating, focally necrotic B-cell plasmacytoid lymphoma was noted throughout the cerebral neuraxis. MRI findings in case 2 were consistent with diffuse lymphomatous brain infiltration without mass lesions, which was biopsy proven. We conclude that PCNSL may occur in a diffusely infiltrating form which may occur without MRI evidence of mass lesions or blood-brain barrier compromise. We refer to this entity as 'lymphomatosis cerebri' and add it to the differential diagnosis of a rapidly progressive dementia. ( info)

3/1917. Reactive angioendotheliomatosis in an infant.

    Reactive cutaneous angioendotheliomatosis (RCA) is an uncommon benign disease characterized by intravascular proliferation of endothelial cells. The observation of RCA in infants is exceedingly rare. We describe a case of RCA in a 3-month-old infant. The lesions were characterized by six small purpuric papules (1-2 mm in diameter), distributed on the thighs and neck. The general condition of the patient was good, with no lymphadenopathy, systemic involvement, or fever. The histopathologic features of a papule were characterized by the presence of cohesive aggregates of large mononucleated cells protruding into the lumina of dilated vessels and filling some of them completely. Neither an inflammatory infiltrate nor a proliferation of pericytes were present around blood vessels. Intravascular proliferating cells demonstrated positive staining for ulex europaeus agglutinin 1 (UEA-1) and for factor viii-RA and CD34 antigens. The course of the disease was unremarkable with persistence of the lesions for 8 months; no treatment was started. ( info)

4/1917. High-dose chemotherapy with peripheral blood stem cell rescue in blastoid natural killer cell lymphoma.

    A 25-year-old man was referred because of skin rash, lymphadenopathy and anemia. Laboratory examinations revealed severe anemia (Hb, 4.8 g/dl) and elevated levels of GOT, GPT, LDH and soluble interleukin-2 receptor. work-up studies disclosed the involvement of lymphoma cells in lymph nodes, skin, bilateral kidneys and bone marrow. Lymph node biopsy revealed diffuse proliferation of medium- to large-sized lymphoblastic cells. bone marrow aspiration showed massive infiltration of large blastic cells with no cytoplasmic granules. The lymphoma cells in bone marrow and lymph node showed surface CD3-, cytoplasmic CD3epsilon , CD4 , CD8-, CD56 , CD57-, CD16- and CD43 (MT-1) phenotype. Analyses of T cell receptor beta and gamma genes showed germ line configurations. EBER-1 was not detectable in the lymphoma cells. He was diagnosed as having blastoid natural killer (NK) cell lymphoma. In spite of several courses of combination chemotherapy, the lymphoma was progressive. He was then treated with high-dose chemotherapy and peripheral blood stem cell rescue, achieving remission which has now lasted for more than 12 months. We consider that blastoid NK cell lymphoma is an extremely aggressive subtype of CD56-positive lymphomas, and high-dose chemotherapy with peripheral blood stem cell rescue should be included for the choice of the treatment. ( info)

5/1917. Cervicofacial and pulmonary actinomycosis associated with non-Hodgkin's lymphoma.

    A case of cervicofacial and pulmonary actinomycosis associated with non-Hodgkin's lymphoma (NHL) is reported. The patient underwent antimicrobial treatment and surgical debridement of a palatine lesion. Complete clinical recovery was achieved. The presence of actinomycosis may obscure and delay the diagnosis of NHL. ( info)

6/1917. Rescue revascularization for acute coronary occlusion late after radiotherapy.

    Because radiation-induced coronary artery stenoses are frequently severe and located proximally, some patients are admitted in emergency. This report describes the case of a 47-year-old woman with radiation-induced stenosis of the left main coronary artery who presented with cardiac arrest during angiography. The patient was successfully treated using circulatory assistance and percutaneous transluminal coronary angioplasty as a bridge to coronary artery bypass grafting. ( info)

7/1917. Leukoencephalopathy complicating an Ommaya reservoir and chemotherapy.

    We describe the imaging findings in an unusual case of biopsy-proven, methotrexate-induced leukoencephalopathy complicating a malfunctioning Ommaya reservoir in a patient with lymphoma. ( info)

8/1917. Inflammatory pseudotumour of the liver--evidence for malignant transformation.

    A case of inflammatory pseudotumour of the liver is reported, and evidence is presented for its subsequent evolution into malignant non-Hodgkin's lymphoma. Such postulated malignant transformation challenges the assumption that hepatic inflammatory tumours are entirely benign lesions. ( info)

9/1917. association of body cavity-based lymphoma and human herpesvirus 8 in an hiv-seronegative male. Report of a case with immunocytochemical and molecular studies.

    BACKGROUND: Recently lymphomas arising primarily in serosal surfaces have been found in patients with advanced acquired immunodeficiency syndrome (AIDS), but they very rarely seem to occur in human immunodeficiency virus (hiv)-negative patients. Studies on a subset of these lymphomas suggested that they represent a distinct entity associated with Kaposi's sarcoma-associated herpesvirus or human herpesvirus 8 (HHV-8). CASE: An 83-year-old, hiv-negative male was admitted to the hospital with a massive pleural effusion. Abdominal and chest computed tomographic scanning was normal. Cytologic analysis of the pleural effusion revealed a large cell, non-Hodgkin's lymphoma. polymerase chain reaction analyses on genomic dna from the pleural effusion demonstrated the presence of HHV-8 sequences in the absence of Epstein-Barr virus. CONCLUSION: It is possible and advantageous to diagnose body cavity-based lymphoma with a combination of cytologic, immunocytochemical and molecular studies of the pleural effusion in conjunction with clinical and radiographic information. ( info)

10/1917. Complicated delirium in a cancer patient successfully treated with olanzapine.

    delirium is common among cancer patients, especially those with advanced disease. Typical treatment involves addressing the underlying cause if possible; eliminating nonessential and/or other drugs that can worsen confusion, manipulating the environment; and administering antipsychotic drugs to control symptoms and agitated behavior, and attempt to clear the patient's sensorium. The newer atypical antipsychotics may have potential in the treatment of delirium and also have the added benefit of causing less akithisia and other extrapyramidal side effects. This is illustrated by the case of a 59-year-old woman with leukemia and pain of unclear etiology who developed a delirium and a moderate to severe extrapyramidal syndrome (EPS) in the setting of escalation of her pain medications and concomitant escalation of prochlorperazine. The patient presented with confusion and moderate to severe cogwheeling rigidity, masked facies, bradykinesia, and tremor. Additionally, the patient had a relatively recent history of subdural hematoma and one seizure. Conservative management including eliminating multiple nonessential medications (including the prochlorperazine); changing her opioid analgesic; providing a 24-hour companion: and administering low doses of haloperidol (0.5 mg-2.0 mg) were not effective in treating the patient's delirium. The patient's EPS was dramatically worse following haloperidol doses. After approximately I week without improvement, the patient was started on olanzapine 5 mg daily with initial improvement but with residual confusion in the evenings and overnight. The dose was titrated up to 10 mg nightly with 2.5 mg as needed during the day. After 3 days on this regimen, the patient's mental status exam was normal and she was discharged home. We discuss the potential utility of this atypical antipsychotic in the palliative care setting. ( info)
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