Diffusion-weighted MR imaging combined with conventional MR imaging can confirm residual or recurrent cholesteatoma in patients who have undergone middle ear surgery by showing a high-signal-intensity lesion. Because tumors smaller than 5 mm may be missed, a diffusion-weighted MR imaging study with negative findings does not exclude small residual or recurrent cholesteatoma.
A 37-year-old male patient with a diffuse pleomorphic B-cell-lymphoma. which has been diagnosed two month earlier with the primary site at the pterygopalatine fossa on both sides with infiltration of the clivus and cavernous sinus was referred to our hospital for continuation of the third course of CHOP chemo therapy. At admission he reported about a recent history of painful swallow ing and intermittent substernal chest pain. Alleviation of the pain on swallowing and the chest pain was apparently only possible by drinking 10 to 15 I of cold coca cola throughout the day and night. a regimen that resulted in polyuria. Physical examination revealed extensive thrush stomatitis and soor esophagitis. Despite successful treatment with fluconazole, polydipsia continued unabated. The classic osmotic test of dehydration and exogenous vasopressin re vealed hypothalamic diabetes insipidus (DI). Basal hormones and stimulated endocrine function tests of the adenohypophysis were found to be normal. MRI-scan revealed lymphoma infiltration of the neurohypophysis. After the third course of CHOP chemo therapy the patient surprisingly recovered completely from his ex cessive thirst. The present report shows that clinical disorders such as thrush stomatitis can mask diabetes insipidus caused by an early relaps ing lymphoma.
Clinically manifest hyperthyroidism is a rare paraneoplastic syndrome in patients with excessive HCG production due to testicular cancer. A 40-year-old patient with right testicular cancer (teratoma, embryonal cell carcinoma), diffuse pulmonary metastases and high serum HCG levels presented with symptomatic hyperthyroidism. The patient received immediately thyrostatic therapy and 4 cycles of PEI chemotherapy (Cisplatin, Etoposide, Ifosfamide). Thyroid function had returned to normal by the beginning of the second course of chemotherapy. After right orchiectomy and resection of residual pulmonary masses which revealed vital tumor cells, two additional courses of chemotherapy were performed. The patient is well and without evidence of disease 11 months after therapy. All patients with testicular cancer and excessive HCG production should be evaluated for biochemical and clinical signs of hyperthyroidism and treated accordingly with antithyroidal medication and immediate cytoreductive chemotherapy.
A 69-year-old man was referred to our department with an exorbitant foetor ex ore, dysphagia and dyspepsia. Upper endoscopy had been performed prior by an outpatient gastroenterologist and the patient had received an eradication therapy for a Helicobacter pylori-induced gastritis. At admission upper endoscopy showed a gastric ulcer which drained a stinking fluid. Endosonography, computed tomography and an upper gastrointestinal series with water soluble media revealed a gastrocolic fistula. Multiple biopsies showed a low-grade gastric MALT lymphoma. Therefore, a surgical reconstruction with Roux-en-Y esophagojejunostomy and transverso-descendostomy was performed. The histology of the completely removed stomach revealed a high-grade Non Hodgkin Lymphoma (NHL) with parts of a low-grade NHL. 3 weeks after surgery chemotherapy was started with the CHOP-regime which was well-tolerated by the patient.
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