Giant basal cell carcinoma (GBCC) is defined as a tumor ≥5 cm in diameter. GBCC of scalp usually requires extended resection of soft tissues, calvarium, and dura. In this study, we present 5 patients with GBCC of head, who underwent a single-stage combined scalp, calvarium, and dural reconstruction. Herein, we aim to discuss reconstruction methods, cerebrospinal fluid (CSF) leakage, duration of hospital stay, and tumor recurrency. Peroperative and postoperative follow-ups, defect areas, and performed calvarium reconstruction methods of 5 patients, who underwent complex scalp and calvarium reconstruction after GBCC between year 2010 and 2017, were retrospectively maintained. We studied reconstruction methods, CSF leakage, duration of hospital stay, and tumor recurrency. All patients undergone single-stage reconstruction. Avarge duration of hospital stay was 15 days. Titanium mesh was used in 3 patients and methyl methacrylate was used in 2 patients for calvarium reconstruction. CSF leakage was seen in patients who underwent calvarium reconstruction with titanium mesh. Tumor recurrence occured next to calvarium in 1 patient who undergone calvarium reconstruction with methyl methacrylate. CSF leakage and duration of hospital stay may induce morbidity of this oncoplastic procedure. The fact of longer hospital stay of patients reconstructed with titanium mesh might be a new data presented in this study. These parameters can be related with the method of calvarium reconstruction.
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http://dx.doi.org/10.1097/SCS.0000000000004477 | DOI Listing |
Int J Nanomedicine
December 2024
Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China.
Purpose: Successful regeneration of cranial defects necessitates the use of porous bone fillers to facilitate cell proliferation and nutrient diffusion. Open porous microspheres, characterized by their high specific surface area and osteo-inductive properties, offer an optimal microenvironment for cell ingrowth and efficient ossification, potentially accelerating bone regeneration.
Materials And Methods: An in vitro investigation was conducted to assess the physicochemical properties, porosity, and biocompatibility of PHA-nano-clay open porous microspheres.
Dent Res J (Isfahan)
November 2024
Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran.
Background: The ethmoid roof separates the ethmoid cells from the anterior cranial fossa. From the medial side, the roof of the ethmoid is connected to the lateral lamella of the ethmoid plate, which is the thinnest bone at the base of the skull and is most vulnerable to damage during endoscopic surgeries. The purpose of this study is to investigate the height of the lateral lamella in patients with hypoplasia/aplasia of the paranasal sinuses and deviation of the nasal septum using reconstructed multiplanar images by cone-beam computed tomography (CBCT).
View Article and Find Full Text PDFZhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
December 2024
Department of Otolaryngology-Head and Neck Surgery, Naso-Orbital-Maxilla and Skull Base Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou510630, China.
Biomed Tech (Berl)
December 2024
Institute for Artificial Intelligence in Medicine (IKIM), University Hospital Essen (AöR), Essen, Germany.
Objectives: The shape is commonly used to describe the objects. State-of-the-art algorithms in medical imaging are predominantly diverging from computer vision, where voxel grids, meshes, point clouds, and implicit surface models are used. This is seen from the growing popularity of ShapeNet (51,300 models) and Princeton ModelNet (127,915 models).
View Article and Find Full Text PDFGeorgian Med News
October 2024
Department of Operative Dentistry, Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University), Institute of Medicine, Moscow, Russia.
Introduction: Interproximal attachment has received much attention in modern periodontology because it is a key diagnostic and prognostic factor. Currently, we can find many articles with results of bare root coverage, but few data and studies that describe root closure and obtaining interproximal attachment at the same time.
Objectives: The purpose of this study is to introduce a double-layer tunnel surgical technique for gingival papilla reconstruction and regeneration of the supraalveolar interproximal attachment.
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