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Complex lymphatic anomalies

Trenor, Cameron C., MD, MMSc ; Chaudry, Gulraiz, MBChB

Seminars in pediatric surgery, 2014-08, Vol.23 (4), p.186-190 [Periódico revisado por pares]

United States: Elsevier Inc

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Título:
Complex lymphatic anomalies
Autor: Trenor, Cameron C., MD, MMSc ; Chaudry, Gulraiz, MBChB
Assuntos: Generalized lymphatic anomaly ; Gorham–Stout disease ; Health aspects ; Homeopathy ; Humans ; Kaposiform lymphangiomatosis ; Lymphangioleiomyomatosis - diagnosis ; Lymphangioleiomyomatosis - pathology ; Lymphangioleiomyomatosis - therapy ; Lymphatic Abnormalities - diagnosis ; Lymphatic Abnormalities - pathology ; Lymphatic Abnormalities - therapy ; Materia medica and therapeutics ; Osteolysis, Essential - diagnosis ; Osteolysis, Essential - pathology ; Osteolysis, Essential - therapy ; Pediatrics ; Surgery ; Therapeutics
É parte de: Seminars in pediatric surgery, 2014-08, Vol.23 (4), p.186-190
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
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ObjectType-Review-1
Descrição: Abstract Complex lymphatic anomalies include several diagnoses with overlapping patterns of clinical symptoms, anatomic location, imaging features, hematologic alterations, and complications. Lymphatic malformations likely arise through anomalous embryogenesis of the lymphatic system. Analysis of clinical, imaging, histologic, and hematologic features is often needed to reach a diagnosis. Aspiration of fluid collections can readily define fluid as chylous or not. The presence of chyle indicates dysfunction at the mesenteric or retroperitoneal level or above the cisterna chyli due to reflux. The imaging patterns of generalized lymphatic anomaly (GLA) and Gorham–Stout disease have been segregated with distinctive bone lesions and peri-osseous features. More aggressive histology (spindled lymphatic endothelial cells), clinical progression, hemorrhage, or moderate hematologic changes should raise suspicion for kaposiform lymphangiomatosis. Biopsy may be needed for diagnosis, though avoidance of rib biopsy is advised to prevent iatrogenic chronic pleural effusion. Lymphangiography can visualize the anatomy and function of the lymphatic system and may identify dysfunction of the thoracic duct in central conducting lymphatic anomalies. Local control and symptom relief are targeted by resection, laser therapy, and sclerotherapy. Emerging data suggest a role for medical therapies for complications of complex lymphatic anomalies. Outcomes include recurrent effusion, infection, pain, fracture, mortality, and rarely, malignancy. Complex lymphatic anomalies present significant diagnostic and therapeutic challenges. Results from a phase 2 study of sirolimus in these and other conditions are expected in 2014. Improved characterization of natural history, predictors of poor outcomes, responses to therapy, and further clinical trials are needed for complex lymphatic anomalies.
Editor: United States: Elsevier Inc
Idioma: Inglês

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Complex lymphatic anomalies

Trenor, Cameron C., MD, MMSc ; Chaudry, Gulraiz, MBChB

United States: Elsevier Inc

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