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Aneurysmal bone cyst (ABC) is a benign bone lesion for which no previous cytogenetic data exist. We describe the finding of clonal chromosome aberrations in three tumors; two had a t(16;17)(q22;p13) as the sole anomaly, and the third had a del(16)(q22) as the only change. These findings show that somatic mutations contribute to the development of ABC and furthermore indicate that bands 16q22 and 1
The local and systemic invasiveness of soft-tissue sarcomas may depend upon an interaction between the primary tumour and the extracellular matrix in which the proteolytic enzyme, urokinase plasminogen activator (uPA), may have an important role. We analyzed the expression of uPA in soft-tissue sarcoma using a luminescent immunoassay technique; and examined the relationships between different uPA
Abnormal patterns of proliferation characterize the behavior of many tumors. Proliferating cell nuclear antigen (PCNA) and Ki‐67 are two cell cycle antigens which are expressed in proliferative states. Our study examines the prognostic value of these cell‐cycle antigens in soft tissue sarcoma (STS). Paraffin‐embedded primary tumor tissues from 185 patients (1980–92) were stained with the anti‐PCNA
Our study combined size and timing of the first local recurrence to create a growth rate index (GRI- ratio of size (cm) to timing (mo)) which we analyzed for an association with metastasis. We analyzed 134 locally recurrent tumors from a series of 460 adult patients with soft tissue sarcoma of the extremities and trunk wall who were diagnosed and treated between 1964 and 1990, with a median follow
We analyzed the quality of surgery In a population-based series of 375 patients with primary soft tissue sarcoma of the extremity (n 329) and trunk wall (n 46). the quality was measured as the total number of operations performed for the primary tumor-biopsy, excision, reexcision-and the local recurrence rate. A comparison was made between patients referred to our tumor center before surgery (n 19
Grading based on histopathologic features is used to predict survival in soft‐tissue sarcoma. However, variations in clinical behavior between tumors of the same grade motivate a search for additional factors that correlate with prognosis. Proliferating cell nuclear antigen (PCNA) is expressed in proliferating cells during the G 1
We analysed metastasis-free survival after local recurrence in a population-based series of 432 patients treated for soft-tissue sarcoma of the extremities or trunk wall. Local recurrence was found in 124 patients; of these, 73 had no detectable metastases when the last local recurrence was diagnosed. No patient received chemotherapy for local recurrence. The 73 patients had a 5-year metastasis-fr
Fifty-one patients with deep-seated soft tissue sarcoma of the extremities and trunk wall were examined with contrast-enhanced CT for presence of nonenhanced tumor areas (CT necrosis). After a median follow-up time of 3 years, 19 of the 41 patients with CT necrosis had developed metastases, compared to none of the 10 patients who had tumors without CT necrosis. Tumors with CT necrosis were larger
Epidemiology and prognosis were analyzed in a consecutive, population‐based series of 137 patients with malignant fibrous histiocytoma of soft tissue in the extremities and trunk wall, with a complete follow‐up of minimum 3 years. All but one patient were treated by surgery in 28 cases combined with adjuvant radiotherapy or chemotherapy. The annual incidence was 0.42/105. The ratio men to women wa
From 1980 through 1986, 119 patients with soft tissue sarcomas of the extremities were referred to our tumor center either before surgery (n = 78) or immediately after incisional biopsy or marginal excision (n = 41). The tumors were classified according to anatomic location at admittance as subcutaneous (n = 40), intramuscular (n = 30), and extramuscular tumors (n = 49). Open biopsy was omitted in
The authors analyzed the relationship between treatment, local recurrence, and metastases in a population‐based series of 375 patients with soft tissue sarcoma of the extremities and the trunk wall. Treatment was inadequate (marginal excision alone) in 107 patients, local recurrence occurred in 112, and 128 patients developed metastases. Local recurrence was 3.5 times more common after inadequate
Importance: Neonatal hyperbilirubinemia can cause lifelong neurodevelopmental impairment (kernicterus) even in high-resource settings. A better understanding of the incidence and processes leading to kernicterus may help in the design of preventive measures.Objectives: To determine incidence rates of hazardous hyperbilirubinemia and kernicterus among near-term to term newborns and to evaluate heal
The WHO Checklist for Safe Surgery has been in use in Swedish healthcare since 2009. Based on national and international experiences, we have developed the original checklist, with the aim to keep its strengths and remove the weaknesses. The most obvious difference is that each section of the original checklist has been split into a pure checklist and corresponding instructions. It is now also mor
Despite a development in Swedish patient safety work in recent years, unambiguous results are missing. Here we propose some activities that will result in improved patient safety. Patients and employees are a strong driving force, and should be given a more important role. The level of education in patient safety must be raised in all levels in the system. Effective systems for learning, sharing a
