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In a case control study in Hong Kong, 445 cases of Chinese female lung cancer patients all confirmed pathologically were compared with 445 Chinese female healthy neighbourhood controls matched for age. The predominant histological type was adenocarcinoma (47.2%). The relative risk (RR) in ever-smokers was 3.81 (P less than 0.001, 95% CI = 2.86, 5.08). The(More)
Kimura's disease is an important category of reactive lymphadenopathy in the Oriental population. The enlarged nodes are mostly located in the head and neck region. Salient pathological changes include florid germinal centers, Warthin-Finkeldey type polykaryocytes, vascularization of germinal centers, increased postcapillary venules in the paracortex,(More)
Seventy patients with malignant lymphomas, including the entity known as polymorphic reticulosis (PR), involving the nose, nasal sinuses, nasopharynx, oropharynx (excluding tonsil), and larynx were studied. There were 26 cases of PR, 19 cases of lymphoma with features of PR (ML[PR]) and 25 cases of conventional lymphomas. Fourteen of the 25 conventional(More)
Kimura's disease is a chronic inflammatory condition producing subcutaneous tumour-like nodules chiefly in the head and neck region. It is characterized histologically by lymphoid follicles, intense aggregations of eosinophils, vascular proliferation and fibrosis. Superficial lymph nodes and parotid glands are sometimes involved. The lesions may persist(More)
Although Kimura's disease has often been considered to be identical to angiolymphoid hyperplasia with eosinophilia (epithelioid haemangioma), recent studies suggest that they are different clinicopathological entities. In this study, we have made a detailed morphological comparison of 10 cases of epithelioid haemangioma and 40 cases of Kimura's disease(More)
Bacterial glutamine synthetases (GSs) are dodecameric aggregates comprised of two face-to-face hexameric rings, which form a cylindrical aqueous channel. Available crystal structures indicate that each subunit provides a 'central loop' that protrudes into this channel. Residues on either side of this loop contribute directly to substrate or metal ion(More)
OBJECTIVE To compare the sensitivity of sputum cytology using the dithiothreitol homogenization method (DTT) with that of the standard pick-and-smear (PS) method in lung cancer detection. STUDY DESIGN In a two-year period, 2,428 sputum specimens were examined. Standard PS smears were prepared as controls; the remainder of the specimens were homogenized(More)
Two cases of Kikuchi's histiocytic necrotizing lymphadenitis diagnosed by fine needle aspiration (FNA) of enlarged lymph nodes are reported. The FNA smears contained randomly activated lymphoid cells, necrotic debris, karyorrhectic cells and prominent histiocytes, suggesting the presence of reactive lymph nodes. The true nature of the lesions was evident(More)
The histological types of lung cancer in Hong Kong Chinese in both sexes are presented. When the 1981 WHO Classification is used instead of the 1967 WHO Classification, more than half of the large cell carcinoma is retyped into the adenocarcinoma group. The proportion of large cell carcinoma thus decreases from 14.7% to 6.9% in the male and from 10.0% to(More)