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Biomedical subjects

Claude Bachmeyer

Publications and source records attributed to Claude Bachmeyer.

At least 19 recordsLinked to original sources
PubMed2006

[Scurvy].

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Administration, Oral↗
PubMed2006

Diffuse large and small bowel necrosis in catastrophic antiphospholipid syndrome.

The catastrophic variant is an accelerated form of the antiphospholipid syndrome resulting in multiorgan failure because of multiple small vessel occlusions. We report a case of catastrophic antiphospholipid syndrome in a patient with subacute cutaneous lupus erythematosus and ischemic bowel, who presented with acute abdominal pain due to diffuse right colon and small bowel necrosis requiring large resection, associated with acute respiratory distress syndrome, thrombocytopenia and disseminated intravascular coagulation. Histopathological examination of resected tissues showed diffuse arteriolar and venous thrombosis but no vasculitis, and mesenteric artery lumen severely narrowed by intimal fibrosis. The patient died 15 days after admission despite treatment with anticoagulation, steroids, continuous hemofiltration and plasma exchange. Ischemic bowel and diffuse intestinal necrosis may be secondary to the antiphospholipid syndrome, and a high level of suspicion and an early diagnosis are required.

Aged↗
PubMed2005

Inflammatory sternal metastasis heralding lung cancer: two cases.

Bone pain due to bone metastases is a frequent presenting symptom of lung cancer. However, sternal metastases are unusual. We report two patients with inflammatory sternal metastases mimicking osteitis and indicating lung cancer. Chest computed tomography scan showed lytic lesion of the sternal manubrium invading anterior soft tissue. Diagnosis relied on histological examination of sternal biopsy and negative bacteriologic cultures. Local radiotherapy resulted in resolution of local signs.

Adenocarcinoma↗
PubMed2005

Cutaneous vasculitis in the course of hematologic malignancies.

BACKGROUND: In patients with hematologic malignancies, cutaneous vasculitis is an important manifestation which may be secondary either to the malignancy itself or to many frequent events in these patients such as infections or drug intake. OBJECTIVE: To assess the underlying events responsible for cutaneous vasculitis in patients with hematologic malignancies. METHODS: Twenty-three patients with hematologic malignancies who had a skin biopsy in a single institution between January 1990 and June 1995 disclosing vasculitis were included in this study. Clinical, biological and immunological data, infectious enquiry and drug exposure were reviewed. RESULTS: The 23 patients represented 22% of 95 patients with hematologic malignancies in whom 105 skin biopsies were done. A lymphoproliferative disorder was found in 12/23 (52%) and a myeloproliferative disease in 11/23 (48%). The cutaneous vasculitis developed concomitantly with the malignancy in 39%, before in 26% and after the diagnosis of malignancy in 35%. The hematologic condition seemed to be the sole cause for vasculitis in 61% of the patients while the vasculitis could be attributed to another mechanism than the hematologic malignancy itself in 39%. These consisted in infections, medication and mixed cryoglobulinemia in 13% each. CONCLUSION: Cutaneous vasculitis constitutes a symptom developing in association with hematologic malignancy and may follow, accompany and also precede the condition. However, search for other triggering factors such as infection, drugs and cryoglobulinemia is required since they are the culprits of the vasculitis in 39% of cases.

Adult↗
PubMed2004

Occurrence of porphyria cutanea tarda during peginterferon/ribavirin therapy for chronic viral hepatitis C.

Porphyria cutanea tarda (PCT) is a metabolic disorder characterized by a reduced hepatic activity of uroporphynogen decarboxylase (URO-D), an enzyme of the heme synthesis. The clinical features of PCT may be brought into light by hepatic injury induced by hepatitis C virus (HCV). A significant association between HCV and PCT is well recognized, although the role of HCV in the appearance of PCT is still debated because confounding factors often coexist, such as alcohol, other viruses, drugs or iron overload (). HCV therapy may improve PCT although PCT was rarely reported as a de novo occurrence during an interferon/ribavirin therapy (Jessner et al. Hepatology 2002;36:1301-1302); here, we describe two such other cases.

Adult↗
PubMed2004

[Chylous ascitis revealing a non-Hodgkin lymphoma].

INTRODUCTION: Chylous ascitis is a rare form of ascitis, characterised by a milky, triglyceride-rich, liquid. It is due to an interruption in the lymphatic system due either to an obstruction or to a post-traumatic wound. We report a case of revealing a non-Hodgkin lymphoma. OBSERVATION: A 71 Year-old man consulted for abdominal distension attributed to a chylous ascitis. Peripheral adenopathies were palpable. The abdominal scan revealed voluminous lumbar-aortal adenopathies. The diagnosis of grade IV (Ann Arbor classification) centro-follicular non-Hodgkin lymphoma was retained. The ascitis disappeared following chemotherapy. COMMENTS: Chylous ascitis is an uncommon complication of lymphomas, although representing the main cause in adults in developed countries. The underlying mechanism is an obstruction to sub-diaphragmatic draining lymphatic due to lymphomatous infiltration. Hyperalimentation, a low, dietary restriction of long-chain triglycerides or peritoneovenous shuntings are ineffective. CONCLUSION: Chylous ascitis is a rare complication of lymphomas, secondary to the obstruction of the abdominal draining lymphatics. Treatment is the same as that of a hematologic malignancy.

Aged↗
PubMed2003

Cutaneous sarcoidlike lesions in B-cell chronic lymphocytic leukemia.

The development of systemic sarcoidosis in patients with malignancies is a well-known phenomenon. However, cutaneous sarcoidlike lesions are a rare finding. We report 2 patients with B-cell chronic lymphocytic leukemia and hypogammaglobulinemia who presented isolated cutaneous sarcoidlike lesions 9 years after the diagnosis of the hematologic malignancy in one case and after the second course of chemotherapy regimen in the other case. The role of cytokines released from malignant cells and of the hypogammaglobulinemia facilitating an unidentified infectious agent is questionable.

Adrenal Cortex Hormones↗