Endonasal skull base surgery is growing exponentially as a subspecialty. In recent years, advances in endoscopic techniques and intraoperative navigation systems have allowed us to expand the indications of endoscopic skull base surgery. Major skull base centers worldwide are addressing larger and more complex lesions using endoscopic techniques. As a consequence, the skull base defects are mor...

Introduction: Rhabdomyosarcoma is a high-grade malignant neoplasm with skeletal muscle differentiation; common soft tissue sarcoma in children but considered one of the rarest adults. Case description: We report case 35-year-old male chronic productive cough and haemoptysis for five days. A CT scan nasopharynx revealed blocked left maxillary ethmoid sinus bone destruction. These findings raised...

The AOCMF Classification Group developed a hierarchical three-level craniomaxillofacial classification system with increasing level of complexity and details. The highest level 1 system distinguish four major anatomical units, including the mandible (code 91), midface (code 92), skull base (code 93), and cranial vault (code 94). This tutorial presents the level 2 and more detailed level 3 syste...

A number of tumors and tumor-like non-neoplastic lesions with different cell types on histology occur in the skull base. A wide variety in disease and lesion appearance often complicates the process of radiological diagnosis. The main role of radiographic imaging is the detection and characterization of skull base lesions, with evaluation of the extent of invasion or preservation of adjacent cr...

BACKGROUND Skull base lesions are not uncommon, but their management has been challenging for surgeons. There is large no of bony tumors at the skull base which has not been studied in detail as a group. These tumors are difficult not only because of their location but also due to their variability in the involvement of important local structure. Through this retrospective analysis from a Terti...

Reprint requests to: Dr. Chun-Chung Lui Department of Diagnostic Radiology, Chang Gung Memorial Hospital Kaohsiung Medical Center, Chang Gung University College of Medicine. No. 123, Ta Pei Road, Kaohsiung 833, Taiwan, R.O.C. Aneurysmal bone cyst (ABC) infrequently involves the calvarium and is even more unusual at the skull base. The sporadic reported cases of ABC occur primarily in the pediat...