A primary inflammatory myofibroblastic tumor (IMT) of gallbladder is an extremely rare. Clinical and radiologic features IMTs are nonspecific can mimic malignant neoplasm. Herein, we present a case IMT, which was initially suspected to be cancer preoperatively.

BACKGROUND: Maspin (a tumor suppressor gene) is down-regulated in breast, prostate, gastric, and melanoma. Although it not detected normal pancreatic tissue, over-expressed cancer suggesting that maspin may play different activities cell types. Pancreatic ductal adenocarcinoma (PC) acquires expression through hypomethylation of its promoter. AIM: Because the discrimination between ampullary per...

Four poorly differentiated malignant lesions occurred in a 60-year-old Chinese male in the nasal cavity, submandibular gland, a lymph node in the neck, and the mandible. These malignant lesions developed within an 8-year period and each showed distinctive histological features. Among these malignant lesions, the neoplasm in the submandibular gland presented variegated histological and immunohis...

Malignant rhabdoid tumour is a very rare neoplasm with high lethality rate. Its neoplastic cells present rhabdomyoblastic features, although those must be differentiated from epithelioid sarcoma, melanoma, and rhabdomyosarcoma. Therefore, this case report of 21-year-old man who presented Malignantrhabdoid in the head pancreas. Patient was submitted to partial pancreatomy gastrectomy block, sple...

BACKGROUND Pemphigus herpetiformis (PH) is a rare clinical entity that combines the clinical features of dermatitis herpetiformis and the immunopathologic features of pemphigus. The target antigen is usually desmoglein 1, with exceptional cases manifesting autoantibodies against desmoglein 3. More recently, it has been found that many patients with PH also demonstrate autoantibodies against des...

malignant melanoma is a potentially aggressive tumor of melanocytic origin. primary oral malignant melanoma is a rare neoplasm, accounting for 0.5% of all oral malignancies. the present case occurred in a 60‑year‑old female patient, as a pedunculated growth involving the palate and alveolar ridge and histologically showing a desmoplastic differentiation. the article discusses the distinct clini...

Appendiceal Mucocele is a condition where luminal distention occurs due to mucin accumulation within the appendiceal lumen. This usually results from either benign epithelial proliferation such as; hyperplasia and Lowe-Grade Mucinous Neoplasm or malignant as: cystadenocarcinoma