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Biomedical subjects

J B Craig

Publications and source records attributed to J B Craig.

At least 55 records · Page 3Linked to original sources

Cervical spine osteomyelitis with delayed onset tetraparesis after penetrating wounds of the neck. A report of 2 cases.

Two adult patients developed cervical vertebral osteomyelitis after earlier sustaining penetrating wounds of the neck. The initial injuries were not explored surgically. Both patients were subsequently shown to have perforation of the oesophagus. In the first case the perforation was overlooked, with a resultant oesophageal fistula, while in the second case the perforation was anticipated and a fistula prevented. Pre-operative investigation of such cases by oesophagogram and endoscopy, and careful surgical observation for a perforation can prevent the complications of an oesophageal fistula.

Adult↗

Superior fracture-dislocation of the hip.

A case of superior fracture-dislocation of the hip following a low-energy injury is reported. The direction of the dislocation is uncommon. Radiological investigation was delayed for 5 months and then showed the appearances of a radiologically perfect false acetabulum. The fracture-dislocation was a type IV with an associated fracture of the femoral neck, an injury which is expected to produce a high rate of avascular necrosis of the femoral head. However, bone scans suggested that the femoral head was viable.

Acetabulum↗

Sequential hemibody irradiation integrated into a chemotherapy-local radiotherapy program for limited disease small cell lung cancer.

Twenty-four patients with limited disease small cell lung cancer (SCLC) were treated with sequential hemibody irradiation (SHB) integrated into a conventional chemotherapy-local radiotherapy (LRT) program. Among 23 evaluable patients, 12 (52%) attained a complete response (CR) and 8 (35%) attained a partial response for an overall major response rate of 87%. The median time since study entry is 29 months. Durations of response are 9.9 months for all patients and 16.5 months for patients who achieved a CR. The primary site was the predominant area of recurrence. The median survival is 13.2 months for all patients and 23.2 months for the 12 patients who attained a CR. Myelosuppression, especially thrombocytopenia, was the major toxicity. Acute radiation toxicities and subacute pneumonitis previously associated with hemibody radiotherapy were well controlled or prevented using the current dose, premedication, and shielding techniques. This integrated program of systemic therapies with SHB and combination chemotherapy plus LRT is feasible for limited disease SCLC; it may prolong survival in patients who attain a CR but compared to similar programs without hemibody irradiation, there was no improvement in overall response rate, response duration, or survival.

Adult↗

Sequential hemibody and local irradiation with combination chemotherapy for small cell lung carcinoma: a preliminary analysis.

Sequential hemibody irradiation (SHB) was integrated with combination chemotherapy and local irradiation (LRT) in the induction and consolidation phases of a therapeutic protocol for small cell lung carcinoma (SCLC). Forty-one previously untreated patients were entered into this program. Among 38 evaluable patients (20 with limited disease [LD] and 18 with extensive disease [ED], the overall response rate was 63% (90% in LD and 33% in ED patients). The estimated overall survival is 8.1 months. The major toxicity has been myelosuppression--especially thrombocytopenia. The frequency of previously described "acute radiation syndromes" and radiation pneumonitis associated with hemibody irradiation have been substantially decreased at the current dosage with premedication and shielding techniques. The integration of SHB as a systemic therapy with combination chemotherapy and LRT is a feasible program for sequential administration of non-cross-resistant agents in SCLC and may be beneficial in patients with limited disease.

Adult↗

Secondary malignancies of the penis and epididymis: a case report and review of the literature.

A patient with carcinoma of the colon developed metastases to the penis and right epididymis. These two organs are rare locations for metastases and the concurrent involvement of both sites has not been previously described. Our patient and the results of a literature review are presented. Two hundred eighteen cases of penile and 37 separate cases of epididymal metastases were identified. The genitourinary and gastrointestinal tracts were the predominant sites of the primary malignancies. Presenting symptoms, the interval between diagnoses of the primary and metastatic lesions, and the therapy of the penile/epididymal deposits varied greatly. Surgical excision is the major mode of therapy; radiotherapy, chemotherapy, or hormonal therapy may be beneficial in selected cases. Survival among these patients is poor due to the presence in most patients of widespread metastases in addition to their genital lesions. However, instances of prolonged survival are noted in both groups. Patient characteristics and possible mechanisms of metastatic spread to the genitals are discussed.

Adenocarcinoma↗

Human T-cell leukemia/lymphoma syndrome.

This syndrome should be suspected in patients with clinical features of lymphadenopathy, hepatosplenomegaly, hypercalcemia, bone lesions and circulating lymphocytes with pleomorphic nuclei. Most biopsy material has morphologic characteristics of intermediate or high-grade non-Hodgkins lymphoma. Antibody titers to human T-lymphotropic virus type I confirm the diagnosis. Treatment with combination chemotherapy results in remission for most patients, but duration of response is usually short.

Adult↗

Multiple myeloma.

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Acute Kidney Injury↗

Prospective evaluation of changes in computed cranial tomography in patients with small cell lung carcinoma treated with chemotherapy and prophylactic cranial irradiation.

Computed cranial tomographic scans were performed as part of the pretreatment evaluation and at six- to nine-month intervals posttreatment in 13 patients with small cell lung carcinoma. All patients received 3,000 rad of prophylactic cranial irradiation delivered over two weeks in ten treatment fractions in conjunction with multiagent chemotherapy. Posttreatment scans documented an extraordinarily high frequency of abnormalities including cerebral atrophy (100%), ventricular dilatation (70%), and decreased coefficient of absorption in the white matter (15%). Unexplained neurologic abnormalities developed in four of six patients living at least 15 months after institution of therapy. As the number of long-term survivors of this type of lung cancer increases, the need for prospective comprehensive neuropsychologic assessment to determine the clinical significance of these changes is needed.

Aged↗

Thyroid cancer.

Thyroid cancers are especially common in patients who have received irradiation to the head and neck region for benign diseases. Well-differentiated papillary and/or follicular carcinomas are the most common types of thyroid cancer. They grow slowly and have a very good prognosis when managed with an appropriate combination of surgical and medical therapy. Other types of thyroid cancer often require more intensive therapy and follow-up. It is especially important to evaluate relatives of patients with medullary thyroid cancer.

Adenocarcinoma↗

Thorotrast.

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Female↗

Thymoma.

Thymomas, with their diverse signs, symptoms and relationships to other systemic diseases, are not infrequently encountered. Histologic classification is now standardized. Thymoma is associated with other disorders, such as myasthenia gravis and pure red cell aplasia. Proper staging, careful histologic evaluation and appropriately selected therapy are necessary to ensure long-term survival.

Anemia, Aplastic↗

Windowless pain.

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Adult↗