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Granulosa cell tumors belong to the group of stromal and sex cord tumors of the ovary. The adult type is the most common type and usually occurs during the perimenopausal period while the juvenile type mostly affects young women. This is a report of a 26 years old woman who presented an adult type of granulosa cells tumor, with review of the literature. She complained abdominal pain and distension associated with abundant ascites and underwent a right adnexectomy. The pathology examination diagnosed an adult granulosa cell tumor. The two entities of granulosa cell tumors (juvenile and adult types) are distinguished by their characteristic morphological aspects on histological examination allowing diagnostic orientation.

The breast is a rare localization of extra-pulmonary tuberculosis, even in highly endemic countries. It is most often primitive. The clinical and radiological features are sometimes misleading. It poses diagnostic problems especially with cancer. We report a case of breast tuberculosis having clinical and radiological presentations as a breast carcinoma. Through this observation and a review of the literature, we provide an update on the epidemiological characteristics and the means of diagnosis of this lesion. It was a 52-year-old woman with inflammatory lump of the left breast, adherent to the skin. Ultrasonography and mammography revealed a homogeneous, poorly demarcated nodule of approximately 4 cm of diameter, classified ACR4. Surgical excision was performed. The histological diagnosis was breast tuberculosis. The diagnosis of tuberculous mastitis is made on bacteriological and pathological examinations. Histological examination helps for diagnostic confirmation while excluding a malignant lesion of the breast.

Chronic gastritis is a persistent inflammation of the gastric mucosa. The Sydney System is the most widely used classification of this disease but it does not allow a ranking of patients according to the evolutionary potential of the disease, unlike the classifications: "Operative Link On Gastritis Assessment" (OLGA) and "Operative Link on Gastritis Intestinal Metaplasia Assessment" (OLGIM). Our goals are to apply and evaluate the three classifications: the Sydney System, OLGA and OLGIM and to draw possible correlations. This is a retrospective, descriptive, single-center study performed on all cases of chronic gastritis, diagnosed at the laboratory of Pathological Anatomy Unit of

Primary fallopian tube carcinoma is an uncommon malignancy that accounts for 0.14% to 1.8% of gynecological cancers. The clinical symptom is not specific and preoperative diagnosis is easy to miss or delay because of a lack of specific symptoms. We reported a case of bilateral adenocarcinoma of the Fallopian tubes, was occurred in a 51-year-old postmenopausal woman and diagnosed with bilateral salpingectomy for suspicious of suppurative salpingitis. The diagnosis is not always suspected preoperatively. They are assimilated to salpingitis in the early stage, or to ovarian tumors in the advanced stage. The diagnosis is made postoperatively, after an anatomopathological examination. Its etiology is still poorly understood.

Lymphangioma is a rare benign tumor of the lymphatic vessels of hamartomatous nature. We report a case of lingual lymphangioma in a 2-year-old child, revealed by macroglossia. The radiology suspected the lesion. Anatomopathological examination confirmed the diagnosis of cystic lymphangioma, and determined its characteristics.

Mesenchymal neoplasms arising in the digestive tract are rare compared to adenomas and carcinomas [1]. They include several entities with histomorphological similarity and immunohistochemistry helps to confirm the diagnosis [2]. Our goals are to study the epidemiological aspect of mesenchymal tumors, and to compare the histological diagnoses before and after the use of immunochemistry. This is a retrospective, descriptive, single-center study performed on all cases of mesenchymal tumors in gastrointestinal tract, diagnosed at the laboratory of Pathological Anatomy Unit of Joseph Ravoahangy Andrianavalona University Hospital from January 1, 2007 to December 31, 2018. We included 29 cases. The mean age was 43.28 years. The sex ratio was 1.07. After immunohistochemical examination, 24.14% of tumors changed diagnosis to GISTs which are the most common mesenchymal tumor involving the gastrointestinal tract. In all cases of mesenchymal tumors of the gastrointestinal tract GIST should first be ruled out before making other diagnoses. Histologic and immunophenotypic features are thereby essential. According to the literature review, if c-Kit and DOG-1 are negative, molecular biology must be used.