Diagnosis and classification of lung and pleural neoplasms are complex due to diverse histopathology and tumor heterogeneity. A large number of immunohistochemical markers have recently become available to facilitate accurate diagnosis and classification of pulmonary and pleural neoplasms. The purpose of this article is to review the current data available on these markers and to provide a prac...

The effects of a wide variety of social life factors on the mortality of five major malignant neoplasms, i.e. those of the stomach, lung (and trachea and bronchus), breast and uterus, and leukemias, in 46 prefectures in Japan were analyzed by stepwise regression analysis twice at a 5-year interval. The results indicated the following three predisposing factors for malignant neoplasms: rural res...

AIM The aim of the present study is to establish the relative frequency and distribution of benign and malignant epithelial neoplasms of salivary glands in the Pathology and Cytology Laboratory, STUDY DESIGN Historic cohort. MATERIAL AND METHOD in the state of Sergipe, during the period 1980-1999. The neoplasms were individualized by gender, age, race of the patients, anatomic localization ...

BACKGROUND According to the definition by the International Agency for Research on Cancer (IARC), primary multiple neoplasms are two or more neoplasms of different histopathological build in one organ, or two or more tumors occurring in one patient, regardless of the time of their occurrence (synchronic - up to 6 months, metachronous - after 6 months), coming from an organ or a tissue and not b...

Low-grade appendiceal mucinous neoplasms (LAMN) are rarely seen. They incidentally detected during an appendectomy for appendicitis. Treatment is in low-grade neoplasms. Those having adverse features based on the appendix, lymph node metastasis, and tumour size greater than 2 cm, with hemicolectomy done. We present a rare case report of neoplasm diagnosed managed by right hemicolectomy.

BACKGROUND Some authors have studied the relationship between the presence of polyps, adenomas and cancers of upper gastrointestinal tract (stomach and duodenum) and risk of colorectal polyps and neoplasms; however, the results are controversial, which may be due to study sample size, populations, design, clinical features, and so on. No meta-analysis, which can be generalized to a larger popul...

Salivary gland neoplasms account for 0.5-2% of all tumors worldwide, and can display a remarkable range of morphological diversity between different tumor types. The aim of this retrospective study was to present the clinico-pathologic characteristics of salivary gland neoplasms in a tertiary referral hospital in northwest region of Nigeria. Clinical and histopathological records of patients wi...

Between October 1980 and December 1994, we treated 392 patients with malignant neoplasms associated with genitourinary organs. We made a statistical study on 42 patients (10.6%) with multiple malignant neoplasms. The average age of 42 patients was 72.2 years and 83% of the patients were male. Malignant neoplasms originating from bladder, prostate or kidney were observed in 19 cases (35%), 19 ca...

Peripherin is a type III neuronal intermediate filament and its expression is involved in the growth and development of the peripheral nervous systems. Peripherin expression has been reported in cutaneous endocrine carcinomas, but not in rectal well-differentiated endocrine neoplasms (carcinoid tumors). Well-differentiated endocrine neoplasms have been reported to have a relatively high inciden...