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Query: UMLS:C0403608 (ureter)
 9,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Computed tomography (CT) of an 87-year-old man who presented to the emergency department with chest pain after a motor vehicle collision demonstrated multiple broken ribs and a thoracic periaortic soft tissue mass which was high density on precontrast images and enhanced postcontrast. The scan also demonstrated a mass encircling the left ureter and masses in the axilla and pelvis. The enhancement of the periaortic lesion and the presence of the additional soft tissue masses suggested lymphoma as opposed to intramural hematoma (IMH). The diagnosis of follicular B-cell lymphoma was rapidly confirmed with fluorodeoxyglucose-positron emission tomography/CT and excisional biopsy of the axillary lymph node. While this is an atypical presentation, lymphoma and other extravascular pathology must be considered in the evaluation of a periaortic high attenuation mass seen on CT.
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PMID:Periaortic lymphoma as a mimic of posttraumatic intramural hematoma. 1689 55

A 77-year-old woman was referred to our hospital with complaints of fever and left chest pain. Computed tomography showed left pyothorax and left pyonephrosis with left ureter calculus. After admission, drainage of the left thoracic cavity was performed and she was treated with antibiotics. On the third hospital day, debridement for pyothorax was performed because her condition had not improved. During surgery, we found perforation of the diaphragm, and abscess appeared from the perforated area. We suspected that perforation of the diaphragm from the left pyonephrosis caused left pyothorax, and performed left nephrectomy. After the operation, relapse of the pyothorax and surgical wound infection occurred, but her condition improved and she discharged on the 46 th hospital day. Relapse of the abscess has not occurred.
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PMID:[A Case Report of Pyothorax Due to Pyonephrosis]. 2669 86

BACKGROUND Pseudomesotheliomatous carcinomas are rare tumors that develop like malignant pleural mesothelioma (MPM). These tumors have similar features, and thus pseudomesotheliomatous carcinomas can sometimes be misdiagnosed as MPM. Most pseudomesotheliomatous carcinomas develop from primary lung cancers, although there have been some reports involving other malignancies; however, there has been no report describing a pseudomesotheliomatous carcinoma developing from an esophageal squamous cell carcinoma (ESCC). To the best of our knowledge, this is the first case report describing pseudomesotheliomatous carcinoma originating from primary ESCC. CASE REPORT A 65-year-old man was admitted to our hospital because of persistent cough and right chest pain. Radiological examination suggested MPM, and a high concentration of pleural hyaluronic acid was also observed. Cytological examination of pleural effusion confirmed metastatic squamous cell carcinoma, and ESCC was confirmed by upper-gastrointestinal endoscopy. The patient received cisplatin and 5-FU combination chemotherapy as first-line treatment, and docetaxel chemotherapy as second-line treatment. However, the patient's condition deteriorated, and he died 6 months after the diagnosis was established. We performed an autopsy and found that ESCC had invaded the lung, pleura, peritoneum, liver, stomach, ureter, bladder, spine, and lymph nodes. CONCLUSIONS We demonstrated that primary ESCC can give rise to a pseudomesotheliomatous carcinoma. This report describes the clinical features and outcome of such a patient, with an emphasis on differential diagnosis of MPM.
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PMID:Pseudomesotheliomatous Carcinoma with a High Pleural Hyaluronic Acid Concentration Arising from a Primary Esophageal Squamous Cell Carcinoma. 3094 96