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Gastrointestinal stromal tumors (GISTs) are mesenchymal neoplasms which account for less than 1% of all gastrointestinal malignancies. Of all the extra-abdominal metastases of GIST, superficial soft tissue metastases are the most rare. Previous reports have found success with sunitinib in imatinib-resistant GIST, but we report a certain wild-type KIT mutation GIST with cutaneous and subcutaneous metastasis that was unresponsive to multiple tyrosine kinase inhibitor treatments. This case illustrates that knowing the specific type of KIT mutations may uncover resistance of certain GIST's to tyrosine-kinase inhibitors, necessitating more targeted and alternative therapy. This article is protected by copyright. All rights reserved.
This article was published in the following journal.
Name: Journal of cutaneous pathology
Sunitinib is approved for treatment of adults with imatinib-resistant gastrointestinal stromal tumor (GIST) or imatinib intolerance.
Peritoneal tumor penetration (PP) strongly affects prognosis in gastrointestinal carcinomas. In gastrointestinal stromal tumor (GIST), its significance in the absence of tumor rupture has not been sub...
Adenocarcinoma coexists with adjacent microscopic gastrointestinal stromal tumor (micro-GIST) is rare, especially in the rectum, where the gastrointestinal stromal tumors (GISTs) have the lower incide...
Neurofibromatosis is a genetic autosomal dominant disease characterized by multiple skin nodules and hyperpigmentation. This condition is frequently associated with a large variety of neoplasia, inclu...
Our study aims to evaluate the role of Dickkopf-4 as biomarkers in the treatment of gastrointestinal stromal tumor.
To evaluate the antitumor activity of SU011248 in advanced, imatinib mesylate-resistant gastrointestinal stromal tumor (GIST) when administered on a continuous daily dosing schedule
RATIONALE: STI571 may interfere with the growth of tumor cells and may be an effective treatment for cancer. It is not yet known which dose of STI571 is more effective in treating gastroin...
RATIONALE: SU011248 may stop the growth of tumor cells by blocking the enzymes necessary for their growth. It is not yet known if SU011248 is effective in treating malignant gastrointestin...
This study will assess time-to-disease progression in patients with advanced gastrointestinal stromal tumor (GIST) previously treated with imatinib ≥600 mg.
A malignant kidney tumor, caused by the uncontrolled multiplication of renal stem (blastemal), stromal (STROMAL CELLS), and epithelial (EPITHELIAL CELLS) elements. However, not all three are present in every case. Several genes or chromosomal areas have been associated with Wilms tumor which is usually found in childhood as a firm lump in a child's side or ABDOMEN.
Neoplasms of the endometrial stroma that sometimes involve the MYOMETRIUM. These tumors contain cells that may closely or remotely resemble the normal stromal cells. Endometrial stromal neoplasms are divided into three categories: (1) benign stromal nodules; (2) low-grade stromal sarcoma, or endolymphatic stromal myosis; and (3) malignant endometrial stromal sarcoma (SARCOMA, ENDOMETRIAL STROMAL).
Neoplasms derived from the primitive sex cord or gonadal stromal cells of the embryonic GONADS. They are classified by their presumed histogenesis and differentiation. From the sex cord, there are SERTOLI CELL TUMOR and GRANULOSA CELL TUMOR; from the gonadal stroma, LEYDIG CELL TUMOR and THECOMA. These tumors may be identified in either the OVARY or the TESTIS.
A drug that exerts an inhibitory effect on gastric secretion and reduces gastrointestinal motility. It is used clinically in the drug therapy of gastrointestinal ulcers.
All tumors in the GASTROINTESTINAL TRACT arising from mesenchymal cells (MESODERM) except those of smooth muscle cells (LEIOMYOMA) or Schwann cells (SCHWANNOMA).
Clinical Approvals Clinical Trials Drug Approvals Drug Delivery Drug Discovery Generics Drugs Prescription Drugs In the fields of medicine, biotechnology and pharmacology, drug discovery is the process by which drugs are dis...
Acne Dermatology Eczema Psoriasis Wound Care Dermatology is the medical specialty concerned with the diagnosis and treatment of skin disorders (Oxford Medical Dictionary). As well as studying how the skin works, dermatology covers...