Minimising the use of medical terminology in medical correspondence significantly improved patient understanding and perception of their ability to manage their chronic health condition. Although there was no impact on EQ-5D depression/anxiety scores, overwhelming patient preference for the 'translated' letter indicates a need for minimisation of medical terminology in medical correspondence for patients with chronic health conditions.

Interference in immunoassays is a widely recognized problem, which could potentially lead to unnecessary investigations and treatment. We describe a case where interference in a cortisol immunoassay led to a falsely low serum cortisol concentration and interference in the free thyroxine assay led to falsely elevated serum thyroxine concentrations, in the same patient. A 42-year-old woman with documented hypothyroidism underwent a synacthen test for suspected adrenal insufficiency. Previous thyroid function tests had been discordant and difficult to interpret, with elevated thyroxine and non-suppressed thyroidstimulating hormone. The synacthen test showed a subnormal cortisol response and she was commenced on cortisol replacement. Clinically, it was doubted whether she had true adrenal insufficiency and it was thought that the cortisol results might be artefactually low due to assay interference. Cortisol was measured by an alternative immunoassay, before and after incubation in an antibody blocking tube ('Scantibodies'), after heat treatment and also after treatment with Protein A. The results supported assay interference and cortisol 'replacement' was stopped. Thyroxine had been discontinued although thyroid function tests (TFTs) were significantly different between analytical platforms, also consistent with interference. Thyroxine replacement was restarted and once on a stable dose, the discrepancy in TFTs was also investigated by similar procedures as for cortisol. Good clinician-laboratory interface and laboratory work-up of patients with results that are discordant from the clinical findings can reduce unnecessary investigation and inappropriate treatment.

Chemoradiotherapy is a widely used alternative treatment to surgical resection in certain patient groups with early esophageal cancer. The aim of this study was to retrospectively assess toxicity and outcome of patients treated with definitive chemoradiotherapy for early esophageal cancer at one institution. A retrospective analysis of all patients treated with chemoradiotherapy between February 2000 and December 2008 at a single tertiary center was performed with documentation of treatment given, toxicities recorded, and follow-up and outcome data. Sixty-two patients received chemoradiotherapy for esophageal cancer. There were 20 males and 42 female patients with an average age of 68 years. Histology revealed adenocarcinoma in 28 patients and squamous cell carcinoma in 34 patients. All patients were staged with a computerized tomography scan, endoscopic ultrasound and positron emission tomography scan. Selection criteria for chemoradiotherapy were unfit for surgery, upper esophageal squamous carcinoma, unresectable primary tumor, or patient choice. The majority of the patients received a combination of cisplatin and 5-fluorouracil chemotherapy with 55 Gy in 25 fractions of radiotherapy. Grade 3 toxicities were recorded in 11% of the patients. Eleven patients suffered from local recurrence and a stent was required in nine patients. Radiation strictures occurred in 10 patients requiring dilation in four. Five patients required a radiologically inserted feeding gastrostomy. The median overall survival was 21 months. Patients with adenocarcinomas and those with squamous cell carcinoma had a similar median survival. Overall survival was 70% at 1 year, 48% at 2 years, and 26% at 3 years. This case series of patients treated with chemoradiation for localized esophageal cancer suggest a generally well-tolerated treatment with survival rates after chemoradiotherapy comparable with those seen with surgery.

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