Case Study in 2011

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  • This Case Study illustrates some of the potential pitfalls of diagnosis and demonstrates a combination of problems of follow-up biochemical screening in a patient operated for a large pheochromocytoma at increased risk of malignant disease. The difficulty in assessing the presence of disease after initial surgical resection and reaching a diagnosis of malignancy are highlighted.

    • Jörg Singer
    • Christian A. Koch
    • Ralf Paschke
    Case Study
  • Virilizing ovarian tumors are rare neoplasms that may affect both women of reproductive age and postmenopausal women. This Case Study describes a young woman with longstanding amenorrhea and virilization and highlights the challenges and pitfalls in the diagnosis and choice of proper treatment for this uncommon cause of female hyperandrogenism.

    • André M. Faria
    • Ricardo V. Perez
    • Maria A. A. Pereira
    Case Study