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AIMS The incidence, presentation and macroscopic and histological features of secondary neoplasms of the male genital tract are described with reference to their differential diagnosis. METHODS AND RESULTS A retrospective study of cases from the Royal London Hospital yielded a total of 31 secondary neoplasms involving the testis: 14 at postmortem(More)
AIM To report the clinical and histological features and outcome of primary and secondary malignant lymphomas of the urinary bladder. METHODS Eleven cases of malignant lymphoma of the urinary bladder were obtained from the registry of cases at St Bartholomews and the Royal London Hospitals. The lymphomas were classified on the basis of their morphology(More)
AIMS The incidence, anatomical localization and histological appearances of secondary neoplasms of the urinary bladder are described, with emphasis on the points of distinction from primary tumours. METHODS AND RESULTS A retrospective study of cases at the Royal Hospitals Trust yielded a total of 282 secondary bladder neoplasms, representing 2.3% of all(More)
Three cases of cutaneous mixed tumor with atypical features are described. These biphasic tumors comprise cords and nests of often plasmacytoid cells with areas of tubule formation, set in a chondroid stroma. The tumor cells show immunohistochemical positivity for both CAM 5.2 and S-100 and ultrastructural features of myoepithelium. The atypical(More)
OBJECTIVES Although it is a well-described syndrome in infants, eosinophilic colitis is a loosely defined and poorly understood diagnosis in older children. The aims of this case series were to characterise colonic eosinophilia in children and to determine whether it represents a distinct clinicopathological condition. METHODS We retrospectively reviewed(More)
The anatomical features of a pair of female conjoined twins of the cephalothoracopagus type are described: the anterior face was well formed but the posterior face was cyclopean with a single ear canal. Visceral abnormalities included two shared hearts linked by an anastomotic arterial ring. The smaller of the hearts was univentricular with atrial situs(More)
AIMS Two cases of xanthogranulomatous cystitis in conjunction with malignant neoplasms of the bladder are described. METHODS AND RESULTS A partial cystectomy [corrected] specimen from a 55-year-old man showed a urachal adenocarcinoma partly surrounded by a large xanthogranulomatous inflammatory mass. Multiple resections of the locally recurring tumour(More)
Hepatoblastoma is a malignant tumor that typically presents as a mass in the liver of a child less than 5 years of age. The diagnosis is usually established by means of a needle core biopsy before the treatment is commenced. The pathologic diagnosis of hepatoblastoma relies on the microscopic identification of typical morphologic features, but these may not(More)
AIMS The histological and immunohistochemical features of a congenital stromal tumour of the jejunum are compared with those of adult gastrointestinal stromal tumours (GIST). The literature concerning the diagnosis and prognosis of congenital small intestinal stromal tumours is reviewed. METHODS AND RESULTS A term female infant presented with intestinal(More)