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Kingella kingae (K. kingae) is a gram negative rod most often associated with septic arthritis and osteomyelitis in children. Infections caused by K. kingae had not been reported in Iceland when six cases were diagnosed at the Pediatric Department at the National University Hospital of Iceland. In this report we describe those cases and review the literature.

Objective: To answer the question whether the prognosis of women with breast cancer is affected by pregnancy after diagnosis., Material and Methods: We used information from the Icelandic Cancer Registry, the Birth Registry and the Genetic Committee. We identified all women who were diagnosed with breast cancer in the years 1927-1992 and who later became pregnant. Controls were women without a history of childbirth after diagnosis of breast cancer. They were matched on tumour size, axillary lymph node status and years of birth and diagnosis, with four year deviation., Results: In the years 1927-1992, 838 women at ages below 50 were diagnosed with breast cancer in Iceland. Of those, 29 gave birth to a child after the diagnosis. Fourteen cases and 33 matched controls fulfilled the inclusion criteria of the study. Survival was better in the group of women who became pregnant after diagnosis, but the difference was not statistically significant (P=0.06)., Discussion: Our results do not indicate that the prognosis of women who become pregnant after the diagnosis of breast cancer is worse than of those who do not become pregnant. The group was too small to make definite conclusions. However, the results are in concordance with results from other studies.

A 59-year old woman was diagnosed with a tumour in her right kidney. A nephrectomy was performed, and a 45 mm diameter tan-pink coloured tumour was found. Microscopy revealed small, dark cells in organized arrays of small round acini and tubules with glomeruloid infoldings. A diagnosis of metanephric adenoma was made. The tumour cells proved diploid on flow cytometry and immunohistochemical staining was positive for CAM 5.2 and AE-3. FISH analysis of three chromosomes did not reveal any abnormal karyotype. It is important to differentiate metanephric adenoma from renal cell carcinoma and adult Wilm's tumour, since it has a benign course.

Objective: To determine the prevalence of fibromyalgia and chronic widespread musculoskeletal pain (CWP) in Iceland in two demographic different areas., Material and Methods: Population based prevalence study on 1200 females and 1200 males 18-79 years old in South-West- and South-Iceland. Established musculoskeletal pain questionnaire and telephone screening of nonresponders was used. Tender point examination was done on the subjects with CWP and the diagnosis of fibromyalgia was made in accordance with the American College of Rheumatology (ACR) 1990 criteria., Results: The prevalence of fibromyalgia in females based on 60.4% of the sample is 9.8%. The comparable prevalence in males based on 46.4% of the sample is 1.3%. The prevalence of CWP is 26.9% in females and 12.9% in males. A sharp increase in the prevalence of fibromyalgia and CWP in females is seen in the age group 31-40 compared with the age group 18-30. For female responders a statistical higher prevalence of CWP but not fibromyalgia is seen in South-West-Iceland, compared with South-Iceland. No regional differences were seen for males., Conclusion: The prevalence of fibromyalgia and CWP is very high in Iceland. A matter of special concern is the high prevalence in young females. Possible causes are long working hours and stressful living conditions.

We present a unique case of a multifocal non-tropical pyomyositis due to non-haemolytic streptococci in a 36-y-old woman. The initial infection was in an area of contused muscle in the left anterior thigh and spread to the contralateral femoral and gluteal musculature. There was a previous history of Staphylococcus aureus pyomyositis and colitis ulcerosa. The patient was treated successfully with surgical drainage and parenteral antibiotics.

Kingella kingae is a Gram-negative rod most often recognized as 1 of the organisms causing septic arthritis and osteomyelitis in children. Infection caused by K. kingae had not been diagnosed in Iceland until 5 cases were diagnosed at the Paediatric Department at the University Hospital of Iceland over a 1 year period. In this report we describe these 5 children with invasive infection caused by K. kingae (2 with septic arthritis, 1 with osteomyelitis, 1 with septic arthritis and osteomyelitis, and 1 with bacteraemia) and review the literature. All bacterial isolates were identified by the Bactec culture system.