Isolated Ischial Lesions – Demographics and Imaging Features

2019 ◽  
Vol 1 ◽  
pp. 14-20
Author(s):  
Ahmed Saad ◽  
Shekhar Kalia ◽  
Louis-Romee Le Nail ◽  
Mark Davies ◽  
Steven James ◽  
...  

Introduction: Ischial lesion is considered rare. Aim: In this study, we review the patient demographics, imaging appearances, and pathological entities which arise in the ischium with the aim of facilitating a differential diagnosis. This allows appropriate management to be instigated in a timely fashion, enabling lesion to be stratified into those that can be managed locally or referred to a specialist center. Materials and Methods: A retrospective search of our oncology and radiology database was performed to identify primary ischial lesions. Results: The search revealed 82 cases with primary involvement of ischium. The most common benign tumor was aneurysmal bone cyst in patients under 40 years and osteochondroma in patients over the age of 40 years. Metastasis was the most common malignant tumor in both cohorts (<40 years and over 40 years). Conclusion: We present the patient demographics, imaging appearances of pathological entities which arise in the ischium with the aim of facilitating a differential diagnosis.

2013 ◽  
Vol 31 (7) ◽  
pp. 437-443 ◽  
Author(s):  
Eito Kozawa ◽  
Masahiro Takahashi ◽  
Shiori Meguro ◽  
Masanori Yasuda ◽  
Norihiro Iwasa ◽  
...  

2018 ◽  
Vol 1 (1) ◽  
pp. 29-34
Author(s):  
Jamie T. Caracciolo ◽  
Evita Henderson-Jackson ◽  
John A. Churchill ◽  
Odion T. Binitie

Lipomatous tumors are among the most common primary musculoskeletal neoplasms affecting both pediatric and adult patient populations. Patient age, tumor location, and imaging features all contribute to the differential diagnosis of musculoskeletal tumors. Tumors identified outside of common patient demographics or in unusual locations may lead to preoperative misdiagnosis. We present an uncommon adipocytic tumor occurring at an uncommon age which was proven at surgery to represent a preoperatively unexpected diagnosis. A 13 year old male presented with a fatty anterior proximal thigh mass; age and magnetic resonance findings suggested lipoblastoma. However, following complete surgical resection, histopathology confirmed hibernoma, a benign lipomatous tumor characterized by the presence of white and multivacuolated brown fat cells, the vast majority of which occur in adult patients.


Author(s):  
Sonal Bhuyar ◽  
Bhavana Sontakke ◽  
Neha Dharmale

Fibroid/Leiomyoma is the most common benign tumor of the uterus, arising from uterine smooth muscle. Atypical leiomyomas are rare forms of Myoma (fibroid uterus), of which recurrent atypical leiomyoma post hysterectomy is rarer and its converting in leiomyosarcoma arising from vault is rarest.  Here we report an unusual case of a 76yrs female, with leiomyosarcoma in an atypical leiomyoma arising from vault post-hysterectomy. A 76-year-old P3L3 patient presented with pain and distension of abdomen, post hysterectomy done 4 years back for chronic inversion and cervical fibroid polyp she was diagnosed as atypical leiomyoma. Laparotomy was done with a provisional diagnosis of leiomyosarcoma. Though Rarest (0.13-0.26%), a differential diagnosis of neoplastic changes should be kept in mind in patients with atypical leiomyoma, in patients presenting with any mass/pain abdomen, irrespective of any gynaecological complaints. This case shows that though it is unexpected after hysterectomy, leiomyosarcoma has to be considered in a case of abdominal mass. Atypical leiomyoma develops approximately in one to five cases out of 1,000 women with fibroid and it getting converted in leiomyosarcoma is rarest. Hence, diagnosis of leiomyosarcoma should always be kept in mind though the patient is hysterectomised.


2019 ◽  
Vol 03 (01) ◽  
pp. 014-018
Author(s):  
Jay Patel ◽  
Justin Miller ◽  
Arianna Gianakos ◽  
Christopher Mazzei ◽  
James Wittig

AbstractThere are numerous benign tumor-like conditions that can affect the hip, both in a systemic and a local manner. Oftentimes, tumor-like conditions are overlooked or omitted from the differential diagnosis. This can lead to a delay in diagnosis and appropriate treatment. As clinicians, it is important to be able to properly diagnose and treat these conditions in a timely fashion. Here, the authors present the incidence, characteristics, and treatment of various benign tumor-like conditions to help clinicians identify and treat these conditions.


2019 ◽  
Vol 1 ◽  
pp. 114-116
Author(s):  
Catrin Wigley ◽  
Guy Morris ◽  
Scott Evans ◽  
Rajesh Botchu

Pretibial lesion can have a plethora of differential diagnosis. We report a case of extraosseous pretibial ganglion cyst which was referred to our orthopedic oncology service and described the imaging features.


2021 ◽  
Vol 14 (7) ◽  
pp. e242690
Author(s):  
Tamara Ursini ◽  
Paola Rodari ◽  
Geraldo Badona Monteiro ◽  
Valeria Barresi ◽  
Carmelo Cicciò ◽  
...  

We describe a rare case of large, fully cystic spinal schwannoma in a young adult from The Gambia. The initial clinical suspicion was spinal cystic echinococcosis. He came to our attention reporting progressive walking impairment and neurological symptoms in the lower limbs. An expansive lesion extending from L2 to S1 was shown by imaging (ie, CT scan and MRI). Differential diagnoses included aneurysmal bone cyst and spinal tuberculosis and abscess; the initial suggested diagnosis of spinal cystic echinococcosis was discarded based on contrast enhancement results. The final diagnosis of cystic schwannoma was obtained by histopathology of the excised mass. Cystic spinal lesions are rare and their differential diagnosis is challenging. Awareness of autochthonous and tropical infectious diseases is important, especially in countries experiencing consistent migration flow; however, it must be kept in mind that migrants may also present with ‘non-tropical’ pathologies.


2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Annalisa Papa ◽  
Chiara Pozzessere ◽  
Francesco Cicone ◽  
Fabiola Rizzuto ◽  
Giuseppe Lucio Cascini

Abstract Coronavirus disease-19 (COVID-19) is only one of the many possible infectious and non-infectious diseases that may occur with similar imaging features in patients undergoing [18F]-fluorodeoxyglucose (18FDG) monitoring, particularly in the most fragile oncologic patients. We briefly summarise some key radiological elements of differential diagnosis of interstitial lung diseases which, in our opinion, could be extremely useful for physicians reporting 18FDG PET/CT scans, not only during the COVID-19 pandemic, but also for their normal routine activity.


Author(s):  
Alan Alexander ◽  
Kyle Hunter ◽  
Michael Rubin ◽  
Ambarish P. Bhat

AbstractExtraosseous Ewing’s sarcoma (EES), first described in 1969, is a malignant mesenchymal tumor just like its intraosseous counterpart. Although Ewing’s sarcomas are common bone tumors in young children, EESs are rarer and more commonly found in older children/adults, often carrying a poorer prognosis. We discuss the multimodality imaging features of EES and the differential diagnosis of an aggressive appearing mass in proximity to skeletal structures, with pathologic correlates. This review highlights the need to recognize the variability of radiologic findings in EES such as the presence of hemorrhage, rich vascularity, and cystic or necrotic regions and its imaging similarity to other neoplasms that are closely related pathologically.


2015 ◽  
Vol 5 (3) ◽  
Author(s):  
Apurva S. Shah ◽  
Pravin M. Rathi ◽  
Vaibhav S. Somani ◽  
Astha M. Mulani

Gastric schwannomas are rare mesenchymal tumors that arise from the nerve plexus of gut wall. They present with nonspecific symptoms and are often detected incidentally. Preoperative investigation is not pathognomic and many are therefore misdiagnosed as gastrointestinal stromal tumors. We report a rare case of a 37-year old woman who underwent laparotomy for complex bilateral ovarian cyst with resection of gastric-gastrointestinal stromal tumor preoperatively, but confirmed to have a gastric schwannomas postoperatively. This case underscores the differential diagnosis of submucosal, exophytic gastric mass as schwannoma.


2014 ◽  
Vol 18 (1) ◽  
Author(s):  
Abraham Fourie Bezuidenhout ◽  
Jared M. Lipsitz ◽  
Anne-Marie Du Plessis

This pictorial essay provides a classification system for the most common intramedullaryspinal masses and describes distinguishing imaging features that will aid the radiologist inproviding a relevant differential diagnosis to guide further management.


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