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Victoria Huckstadt, María E Heis Mendoza, Angélica Moresco, María G Obregon
Pai syndrome is a very rare congenital disorder characterized by medial cleft lip, nasal and facial cutaneous polyps, and pericallosal lipoma. Broad phenotypic variability exists in this condition. Neurodevelopment is usually normal. Up to date 42 cases have been reported in the literature. Different types of inheritance have been proposed, but most cases are sporadic. No gene has been identified. We report two cases with Pai syndrome, one of them with novel clinical findings as vertebral segmentation defects and choroidal osteoma...
April 1, 2018: Archivos Argentinos de Pediatría
T Jaehn, R Sievers, A Wanninger, J Kaiser, A Kaiser, B Reichert
Osteoid osteomas are benign bone tumors which rarely occur in the hand and impose severe diagnostic problems. The course of the disease is often protracted before the patient receives an adequate surgical treatment. The case of an osteoid osteoma in the scaphoid bone of a 15-year-old patient is presented, who was completely symptom free after a true diagnostic odyssey by resection of the nidus and reconstruction by crest bone graft and spongiosaplasty.
March 19, 2018: Der Unfallchirurg
Hongchuan Guo, Xu Wang, Chunyu Song, Zihao Song, Jiantao Liang, Gang Song, Yuhai Bao
OBJECTIVE: To retrospectively analyze the clinical data of 4 patients with trigeminal neuralgia (TN) secondary to osteoid osteoma (OO) of petrous bone and discuss the treatment experiences for this rare disease. METHOD: Between January 2008 and December 2016, 4 patients diagnosed as TN secondary to OO of petrous bone received surgical treatment in Xuan Wu Hospital of Capital Medical University. We summarized the characteristics and treatment experiences of this rare disease through retrospective review of the clinical information, imaging features, surgical details and follow up outcomes of all those 4 patients...
March 15, 2018: World Neurosurgery
Michalis Michaelides, Elena Drakonaki, Elia Petridou, Maria Pantziara, Cleanthis Ioannides
Osteoid osteomas of the wrist are relatively rare and the diagnosis is challenging due to atypical clinical features. We describe a case of an osteoid osteoma of the scaphoid bone associated with calcific tendinitis of the adjacent flexor carpi radialis tendon and periarticular soft tissue calcifications in a 21-year-old man presenting with radial-sided wrist pain. The lesion was successfully treated with CT-guided RF ablation. To our knowledge, this is the first description of an osteoid osteoma of the wrist associated with calcific tendinitis and periarthritis...
March 14, 2018: Skeletal Radiology
Anik Saha, Omar Breik, Ian Simpson, Ricky Kumar
The diagnosis of osteomas in the paediatric population can pose a challenge to pathologists in excluding malignant bony tumours. We present the case of a 10-year old male presenting with a large left mandibular radiopaque lesion. This paper discusses the case of a central osteoma with osteoblastoma-like features, literature review, differential diagnosis of radiopaque lesions of the maxilla and mandible as well as a detailed discussion of the pathology of the lesion. Although similar lesions have been described in the sino-orbital region, this is believed to be the first report of this pathological entity in the mandible...
March 5, 2018: Head and Neck Pathology
Sidra Zafar, M A Burq, Mustafa Iftikhar, Azam Ali
[This corrects the article DOI: 10.1016/j.ajoc.2016.06.009.].
April 2017: American Journal of Ophthalmology Case Reports
Volkan Gurkan, Ozgur Erdogan
Foot and ankle osteoid osteomas (OOs) are often cancellous or subperiosteal and rarely present with a periosteal reaction. Additionally, the large number of disorders included in the differential diagnosis and the nonspecific findings on radiographs complicate the diagnosis. We performed a manual search of the senior surgeon's hospitals' operating room records for the terms "benign bone tumor," "foot," "ankle," and "osteoid osteoma" from January 2003 until December 2014...
March 2, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
Jong Seung Kim, Sam Hyun Kwon
No abstract text is available yet for this article.
January 2018: Ear, Nose, & Throat Journal
Jonathan Toh Leong Cheah, Theodore R Fields
A minority of osteoid osteomas are found to be juxta-articular and within the small bones of the wrist. We present a 30-year-old man diagnosed with an osteoid osteoma of the lunate bone, presenting with 3 years of left wrist pain, swelling and reduced range of motion. Given the patient's background and laboratory testing, consideration was given to both inflammatory and infectious causes and the diagnosis was delayed, requiring repeat interval imaging and assisted by multiple imaging modalities. Management by surgical excision led to resolution of pain and swelling...
February 27, 2018: BMJ Case Reports
Finlay Brown, Djamil Vahidassr
An 84-year-old man presented to the emergency department following recurrent falls over several weeks and onset of new left-sided weakness. CT of the brain revealed a large air cavity (pneumatocoele) in the right frontal lobe thought to be secondary to an ethmoidal osteoma communicating through the cribriform plate allowing air to be forced into the skull under pressure. Subsequent MRI confirmed these findings and also revealed a small focal area of acute infarction in the adjacent corpus callosum. The patient had a prolonged hospital stay, declined neurosurgical intervention and was discharged home on secondary stroke prevention...
February 27, 2018: BMJ Case Reports
Andrea Borghesi, Ingrid Tonni, Stefania Pezzotti, Roberto Maroldi
Peripheral osteoma is the most common subtype of osteoma that arises most frequently in the craniofacial bones. It may occur at any age with a male-to-female ratio of 2:1. Peripheral osteoma may affect the mandible, particularly the ramus and the condyle. Compound odontoma is a subtype of odontoma that occurs in young subjects without gender predilection. It affects the maxilla more frequently than the mandible. Focal cemento-osseous dysplasia and cemento-ossifying fibroma are 2 benign fibro-osseous lesions with a female predominance that occur most commonly in the posterior region of the mandible...
December 2017: Radiology Case Reports
Justin Michel, Thomas Radulesco, Jade Graziani, Martin Penicaud, Patrick Dessi
Endoscopic or transfacial external frontal sinus approaches do not provide good monitoring of the frontal sinus lateral extent. Moreover, endoscopic or transfacial external approaches remain associated with numerous complications or therapeutic failure, e.g. frontal sinus drainage pathway synechia, healing problems or residual hypoesthesia. We propose a rapid, easy-to-perform, 5-step procedure called the transpalpebral approach which is indicated in case of sequestered disease within the lateral extent of the frontal sinus...
February 26, 2018: Clinical Otolaryngology
Teruaki Ono, Akio Sakamoto, Osamu Jono, Atsushi Shimizu
BACKGROUND Osteoid osteomas are benign bone-forming tumors characterized by local inflammation and pain. They are also characterized by a small osteolytic lesion (nidus). Spondylolysis is a defect of the pars interarticularis, which may lead to stress fractures, and is a common cause of low back pain in adolescence. Osteoid osteoma occurs predominantly in the posterior elements of the spine. Magnetic resonance imaging (MRI) signal abnormality suggesting bone marrow edema is a common finding in osteoid osteoma and early-stage spondylolysis without prominent defect...
February 26, 2018: American Journal of Case Reports
Bridget P Kaufman, Rachel Marchalik, Kyle Cheng, Scott A Norton
Osteoma cutis is the presence of bone within the dermis or subcutaneous tissue. This condition may occur sporadically or secondary to other dermatologic or genetic conditions. We present a 12-year-old girl with pseudohypoparathyroidism type-Ia who developed osteoma cutis on the right thigh.
September 15, 2017: Dermatology Online Journal
Yang Yang, Liang Wang, Zhen Wu
Frontal sinus osteoma accompanied by intracranial mucocele and local hyperostosis frontalis interna has never been reported. A 47-year-old woman presented with a 3-month history of intermittent headache. Physical examination revealed no neurological abnormality. Contrasted MRI showed a frontal heterogeneously enhanced lesion with adjacent non-enhanced cyst. Computed tomography showed a bone-density mass, which was accompanied by local hyperostosis frontalis interna, filled the left frontal sinus and extended intracranially...
February 13, 2018: World Neurosurgery
Elena Quílez-Caballero, José Martel-Villagran, Ángel Luis Bueno-Horcajadas, Laura López-Brasal, María Jesús Díaz-Candamio
Osteoblastomatosis (OBLT), also referred to as multifocal osteoblastoma (OB), is an unusual and recently described entity consisting of multifocal tumors histologically consistent with osteoblastoma and osteoid osteoma (OO) but radiologically mimicking a vascular bone lesion. OBLT treatment is based on aggressive procedures, such as amputation, en bloc resection, and chemotherapy. Only one previously reported case was successfully treated following a multimodal approach consisting of curettage, cryotherapy, intravenous bisphosphonates, and radiofrequency ablation...
February 15, 2018: Skeletal Radiology
Andrea M Spiker, Ben-Zion Rotter, Brenda Chang, Douglas N Mintz, Bryan T Kelly
Intra-articular osteoid osteoma (IAOO) of the hip is a relatively rare diagnosis, but one that can closely mimic symptomatic presentation of femoroacetabular impingement (FAI). Although there are multiple case reports of osteoid osteoma (OO) in the hip, we present the largest case series of hip IAOO treated with hip arthroscopy and discuss limited patient-reported outcomes after treatment with hip arthroscopy. We retrospectively identified patients diagnosed with IAOO of the hip with confirmatory computed tomography, magnetic resonance imaging or biopsy diagnoses of OO...
January 2018: Journal of Hip Preservation Surgery
Manoela Moura De Bartoli, Luis Felipe Oliveira Maciel, Marília Gabriela Mendes de Alencar, Thiago Coelho Gomes da Silva, Ricardo José Holanda Vasconcellos
Osteoma is an uncommon benign osteogenic tumor characterized by the proliferation of compact and cancellous bone. The objective of this study was to report a case of osteoma in the basilar region of the mandible. The patient reported no pain, but the affected area was tender to touch and there was esthetic concern because of the apparent swelling. The mass measured approximately 5 cm in diameter and extended to the lingual area of the mandible. A vestibular approach was used for surgical treatment. After infiltration of a local anesthetic and vasoconstrictor, to expose the mandibular ramus, an incision was made with an electric scalpel along the external oblique ridge through the mucosa, submucosa and muscle, fascia and periosteum until the lower second molar, 3 to 5 mm inferior to the mucogingival junction...
February 7, 2018: Journal of Craniofacial Surgery
Yong Won Lee, Yong Min Kim
INTRODUCTION: Antrochoanal polyps (ACPs) have several unique features that distinguish them from other nasal polyps. Despite many investigations, the pathogenesis of ACP has not yet been elucidated. Sinonasal osteoma is the most common type of tumor of the sinonasal tract and can be caused by trauma, infection and developmental anomaly. PRESENTATION OF CASE: We report the case of a 35-year-old man with left nasal obstruction for more than 20 years. Examination revealed ACP concomitant with an osteoma that arose from the middle turbinate and ethmoid sinus...
2018: International Journal of Surgery Case Reports
M Z Adisen, A Okkesim, M Misirlioglu
Gardner syndrome (GS) is a rare genetic disorder. Dentists play an important role in diagnosis considering that craniomaxillofacial osteomas are a major criteria for GS. We report a 26-year-old male patient who referred to our department with toothache. On routine panoramic radiographic examination, multiple radiopaque masses were detected incidentally. In addition, on extraoral examination, a soft tissue tumor was detected on his shoulder. The patient was referred to the gastroenterology department and intestinal polyps were detected in the colon...
January 2018: Nigerian Journal of Clinical Practice
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