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Dohmoto Y, Akashi Y, Ogawa K, Enomoto T, Ohara Y, Owada Y, Oda T. Laparoscopic extraction of a symptomatic upper abdominal pedunculated parietal peritoneal lipoma arising intermittent abdominal pain: a case report. J Med Case Rep 2024; 18:200. [PMID: 38644500 PMCID: PMC11034150 DOI: 10.1186/s13256-024-04511-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 03/13/2024] [Indexed: 04/23/2024] Open
Abstract
INTRODUCTION Lipomas arising in the parietal peritoneum are rare, and some of them cause abdominal pain due to torsion of the pedunculated peritoneum. We encountered a case of parietal peritoneal lipoma arising upper peritoneum. In this report, we describe the detail of clinical presentation and discuss its potential pathogenesis and treatment strategy. CASE PRESENTATION 45 year-old Japanese female patient presented with long-lasting intermittent pain in the left upper abdominal region. Abdominal imaging showed a well-defined fatty mass measuring 40 mm in size, suggesting a parietal peritoneal lipoma. Laparoscopy revealed a tumor with a twisted peduncle; however, no adhesion of the surrounding tissues and ischemic changes were visible. The tumor was easily removed by dissection of the tumor pedicle. CONCLUSION Parietal peritoneal lipoma often shows pedunculated form and it causes abdominal pain by the torsion of tumor pedicle. Therefore, this type of lipoma should be considered a more aggressive surgery.
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Affiliation(s)
- Yu Dohmoto
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yoshimasa Akashi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Koichi Ogawa
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Tsuyoshi Enomoto
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yusuke Ohara
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yohei Owada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Tatsuya Oda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
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Hifumi T, Inokuchi Y, Tsujio M, Tanaka S, Hirano S, Miyoshi N. Bilateral hibernomas in the femoral regions of a dog. Can Vet J 2024; 65:367-370. [PMID: 38562979 PMCID: PMC10945445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
A 14-year-old intact male Chihuahua dog was presented with masses located between the biceps femoris and adductor muscles in both hind limbs. Based on histopathological, immunohistochemical, and ultrastructural findings, we diagnosed these masses as bilateral hibernomas in the femoral regions. The dog had no evidence of recurrence or metastasis of the hibernomas through a 4-month postoperative follow-up. This is apparently the first report of bilateral hibernomas in the femoral regions of a dog. Key clinical message: Bilateral hibernomas should be considered as a differential diagnosis for masses occurring in the femoral regions of dogs.
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Affiliation(s)
- Tatsuro Hifumi
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
| | - Yoshinori Inokuchi
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
| | - Masashi Tsujio
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
| | - Shogo Tanaka
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
| | - Shinji Hirano
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
| | - Noriaki Miyoshi
- Laboratory of Veterinary Histopathology (Hifumi, Miyoshi) and Laboratory of Veterinary Anatomy (Tsujio) and Transboundary Animal Diseases Research Center (Hirano), Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; Fukuoka Higashi Animal Hospital, Kashiiekimae, Fukuoka Higashi ward, Fukuoka 813-0013, Japan (Inokuchi); Kyushu Research Station, National Institute of Animal Health, National Agriculture and Food Research Organization, 2702 Chuzan, Kagoshima 891-0105, Japan (Tanaka)
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Chen Weng Z, Tapia Salinas B, Noguera Tomas J, Del Castillo Pardo De Vera JL, De la Morena Molina JD. Anesthetic Management of a Patient with Madelung's Disease Presenting with a Giant Cervical Lipoma: A Case Report. A A Pract 2024; 18:e01779. [PMID: 38578005 DOI: 10.1213/xaa.0000000000001779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Madelung's disease is characterized by the presence of multiple symmetric and nonencapsulated facial, neck, and upper trunk lipomas. Depending on the location and size of lipomas, there may be concerns for difficult airway management and cardiovascular collapse. We present the anesthetic management case of a patient with cervical and mediastinal lipomas who underwent elective cervical lipoma resection.
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Strnisa L, Plut S, Golob S, Gavric A. Endoscopic resection of a large symptomatic duodenal lipoma. Gastroenterol Hepatol 2024; 47:384-386. [PMID: 36965578 DOI: 10.1016/j.gastrohep.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/03/2023] [Accepted: 03/09/2023] [Indexed: 03/27/2023]
Affiliation(s)
- Luka Strnisa
- Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia; Ljubljana Digestive Endoscopy Research Group (LuDERG), Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Samo Plut
- Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia; Ljubljana Digestive Endoscopy Research Group (LuDERG), Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Sasa Golob
- Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia; Ljubljana Digestive Endoscopy Research Group (LuDERG), Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Aleksandar Gavric
- Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia; Ljubljana Digestive Endoscopy Research Group (LuDERG), Department of Gastroenterology, University Medical Center Ljubljana, Ljubljana, Slovenia.
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Qiu X, Luo X, Wu R. Atypical lipoma of the right piriformis muscle: a case report and review of the literature. J Med Case Rep 2024; 18:189. [PMID: 38555435 PMCID: PMC10981807 DOI: 10.1186/s13256-024-04507-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 03/13/2024] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND Piriformis muscle mass is rare, which is particular for intrapiriformis lipoma. Thus far, only 11 cases of piriformis muscle mass have been reported in the English literature. Herein, we encountered one patient with intrapiriformis lipoma who was initially misdiagnosed. CASE PRESENTATION The patient is a 50-year-old Chinese man. He complained of osphyalgia, right buttock pain, and radiating pain from the right buttock to the back of the right leg. Both ultrasound and magnetic resonance imaging demonstrated a cyst-like mass in the right piriformis muscle. Ultrasonography-guided aspiration was performed on this patient first, but failed. He was then recommended to undergo mass resection and neurolysis of sciatic nerve. Surprisingly, final histology revealed the diagnosis of intrapiriformis lipoma. The patient exhibited significant relief of symptoms 3 days post-surgery. CONCLUSION Diagnosis and differential diagnosis of radicular pain are potentially challenging but necessary. Atypical lipoma is prone to be misdiagnosed, especially in rare sites. It is notable for clinicians to be aware of the presence of intrapiriformis lipoma to avoid misdiagnosis and inappropriate treatment.
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Affiliation(s)
- Xiao Qiu
- Department of Ultrasound, Suining Central Hospital, 127 Desheng West Road, Suining, Sichuan, China
| | - Xiaoyong Luo
- Department of Ultrasound, Suining Central Hospital, 127 Desheng West Road, Suining, Sichuan, China
| | - Renmei Wu
- Department of Ultrasound, Suining Central Hospital, 127 Desheng West Road, Suining, Sichuan, China.
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Sobota JKB, Kienapfel H, Werner M, Vogt DM. Intraosseous myolipoma of the calcaneus. BMJ Case Rep 2024; 17:e259743. [PMID: 38508597 PMCID: PMC10952934 DOI: 10.1136/bcr-2024-259743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024] Open
Abstract
A man in his 40s presented with an incidental finding of an osteolytic bone lesion. He sustained an ankle injury while inline skating, fracturing his lateral malleolus. Besides the fracture, radiographic imaging on the day of the injury incidentally revealed a well-defined solitary osteolytic lesion with a sclerotic rim within the right calcaneus. MRI showed an intraosseous, fat-containing lesion with focal contrast enhancement, assessed as an intraosseous lipoma with central necrosis. In the pathological analysis of a sample of the lesion an intraosseous myolipoma of the calcaneus was found-an unexpected and extraordinary finding. To prevent pathological fracturing, curettage and bone grafting were performed using autologous iliac crest bone in combination with allogenous bone chips.
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Affiliation(s)
- Jana Kerstin Betty Sobota
- Zentrum für Operative Medizin Klinik und Poliklinik für Unfallchirurgie und Orthopädie, UKE, Hamburg, Hamburg, Germany
| | | | - Mathias Werner
- Vivantes Hospital in Friedrichshain Landsberger Allee, Berlin, Berlin, Germany
| | - Dominik Maximilian Vogt
- Klinik für Orthopädie und Unfallchirurgie, Universitatsklinikum Schleswig Holstein - Campus Lubeck, Lübeck, Germany
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7
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Craig CJ, Young BD, Andries CV, Aschenbroich SA. Imaging diagnosis: CT characteristics of a retrobulbar hibernoma in a dog. Vet Radiol Ultrasound 2024; 65:145-148. [PMID: 38297959 DOI: 10.1111/vru.13332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/10/2023] [Accepted: 01/08/2024] [Indexed: 02/02/2024] Open
Abstract
A 12-year-old female spayed Beagle was referred for investigation of exophthalmos. CT revealed a well-defined, retrobulbar mass causing rostro-dorsal displacement of the left globe. The mass had a mildly heterogeneous precontrast soft tissue attenuation with mild heterogeneous enhancement following iohexol administration. The mass was surgically removed en bloc with an orbital exenteration. Histopathology confirmed the mass to be a hibernoma, a benign tumor of brown adipose tissue. Hibernomas have CT characteristics consistent with both benign and malignant adipose tumors and may be underrecognized by radiologists.
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Affiliation(s)
| | | | | | - Sophie A Aschenbroich
- Veterinary Diagnostic Laboratory, Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
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Perera D, Craven CL, Thompson D. Lumbosacral lipoma in childhood, how strong is the evidence base? A systematic review. Childs Nerv Syst 2024; 40:715-728. [PMID: 37924337 DOI: 10.1007/s00381-023-06203-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 10/26/2023] [Indexed: 11/06/2023]
Abstract
OBJECTIVE Conus region lumbosacral lipomas (LSLs) are highly heterogeneous in their morphology, clinical presentation, and outcome, with an incompletely understood natural history and often treacherous surgical anatomy. This systematic review aims to critically evaluate and assess the strength of the current LSL evidence base to guide management strategies. METHODS According to a systematic review following PRISMA guidelines, a search was conducted using the key term "lumbosacral lipoma" across MEDLINE (OVID), Embase, Cochrane Library, and PubMed databases from January 1951 to April 2021. All studies containing ten or more paediatric conus lipomas were included. Data heterogeneity and bias were assessed. RESULTS A total of 13 studies were included, containing 913 LSLs (predominantly transitional type-58.5%). Two-thirds (67.5%) of all patients (treated and non-treated) remained clinically stable and 17.6% deteriorated. Neuropathic bladder was present in 8.6% at final follow-up. Of patients managed surgically, near-total resection vs. subtotal resection deterioration-free survival rates were 77.2-98.4% and 10-67% respectively. 4.5% (0.0-27.3%) required re-do untethering surgery. Outcomes varied according to lipoma type. Most publications contained heterogeneous populations and used variable terminology. There was a lack of consistency in reported outcomes. CONCLUSION Amongst published series, there is wide variability in patient factors such as lipoma type, patient age, and methods of (particularly urological) assessment. Currently, there is insufficient evidence base upon which to make clear recommendations for the management of children with LSL. There is an imperative for neurosurgeons, neuroradiologists, and urologists to collaborate to better standardise the terminology, assessment tools, and surgical interventions for this challenging group of conditions.
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Affiliation(s)
- Duranka Perera
- Department of Paediatric Neurosurgery, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, WC1N 3JH, UK
| | - Claudia L Craven
- Department of Paediatric Neurosurgery, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, WC1N 3JH, UK
| | - Dominic Thompson
- Department of Paediatric Neurosurgery, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, WC1N 3JH, UK.
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Lim JX, Fong E, Goh C, Ng LP, Low DCY, Seow WT, Low SYY. Complex lumbosacral spinal cord lipomas: A longitudinal study on outcomes from a Singapore children's hospital. J Clin Neurosci 2024; 121:119-128. [PMID: 38394955 DOI: 10.1016/j.jocn.2024.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/28/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Total/near-total resection (TR/NTR) of complex lumbosacral lipomas (CSL) is reported to be associated with better long-term functional outcomes and lower symptomatic re-tethering rates. We report our institutional experience for CSL resection in affected children. METHODS This is a single-institution, retrospective study. Inclusion criteria consist of patients with CSL with dorsal, transitional and chaotic lipomas based on Pang et al's classification. The study population is divided into 2 groups: asymptomatic patients with a normal preoperative workup referred to as 'prophylactic intent' and 'therapeutic intent' for those with pre-existing neuro-urological symptoms. Primary aims are to review factors that affect post-operative clean intermittent catheterization (CIC), functional outcomes based on Necker functional score (NFS), and re-tethering rates. RESULTS 122 patients were included from 2000 to 2021. There were 32 dorsal lipomas (26.2 %), 74 transitional lipomas (60.7 %), and 16 chaotic lipomas (13.1 %). 82 % patients achieved TR/NTR. Favourable NFS at 1-year was 48.2 %. The re-tethering rate was 6.6 %. After multivariable analysis, post-operative CIC was associated with median age at surgery (p = 0.026), lipoma type (p = 0.029), conus height (p = 0.048) and prophylactic intent (p < 0.001). Next, extent of lipoma resection (p = 0.012) and the post-operative CSF leak (p = 0.004) were associated with re-tethering. Favourable NFS was associated with lipoma type (p = 0.047) and prophylactic intent surgery (p < 0.001). CONCLUSIONS Our experience shows that TR/NTR for CSL is a feasible option to prevent functional deterioration and re-tethering. Efforts are needed to work on factors associated with post-operative CIC.
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Affiliation(s)
- Jia Xu Lim
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore
| | - Elizabeth Fong
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore
| | - Cheryl Goh
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore
| | - Lee Ping Ng
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore
| | - David C Y Low
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore; Department of Neurosurgery, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore; SingHealth Duke-NUS Neuroscience Academic Clinical Program, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore
| | - Wan Tew Seow
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore; Department of Neurosurgery, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore; SingHealth Duke-NUS Neuroscience Academic Clinical Program, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore
| | - Sharon Y Y Low
- Neurosurgical Service, KK Women's and Children's Hospital, ,00 Bukit Timah Road, Singapore 229899, Singapore; Department of Neurosurgery, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore; SingHealth Duke-NUS Neuroscience Academic Clinical Program, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore; SingHealth Duke-NUS Paediatrics Academic Clinical Program, 100 Bukit Timah Road, Singapore 229899, Singapore.
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Rasmussen IR, Grossjohann H, Kristensen TS, Penninga L. Gastric lipoma presenting with gastrointestinal bleeding. BMJ Case Rep 2024; 17:e259345. [PMID: 38417941 PMCID: PMC10900414 DOI: 10.1136/bcr-2023-259345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024] Open
Affiliation(s)
- Ida Roost Rasmussen
- Department of Surgery and Transplantation, Rigshospitalet, Copenhagen, Denmark
| | - Hanne Grossjohann
- Department of Surgery and Transplantation, Rigshospitalet, Copenhagen, Denmark
| | | | - Luit Penninga
- Department of Surgery and Transplantation, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Tamura R, Hirotani T, Yasui Y, Okajima H. Rapidly growing intramuscular lipoma: a unique entity of benign lipomas in children. BMJ Case Rep 2024; 17:e253408. [PMID: 38417947 PMCID: PMC10900357 DOI: 10.1136/bcr-2022-253408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024] Open
Abstract
This report presents a case of an intramuscular lipoma observed in the left back of a healthy female toddler. It was resected after 3 months of observation because of rapid enlargement, raising suspicion of malignancy. Histopathological examination confirmed a diagnosis of intramuscular lipoma without malignant and blastemal components. Intramuscular lipomas are benign neoplasms that mostly appear as a rapidly growing tumour. Several hypotheses regarding the pathogenesis of this characteristic growth pattern have been proposed, including atrophy of the surrounding muscle, reactive adipocytic neoformation and multiple contractive interactions between the lipoma and the surrounding muscle.
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Affiliation(s)
- Ryo Tamura
- Pediatric surgery, Kanazawa Medical University, Kahoku-gun, Ishikawa, Japan
| | - Taichi Hirotani
- Pediatric surgery, Kanazawa Medical University, Kahoku-gun, Ishikawa, Japan
| | - Yoshitomo Yasui
- Pediatric surgery, Kanazawa Medical University, Kahoku-gun, Ishikawa, Japan
| | - Hideaki Okajima
- Pediatric surgery, Kanazawa Medical University, Kahoku-gun, Ishikawa, Japan
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12
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Singh RP, Maurya AP, Rout AK, Singh S. Carpal tunnel syndrome secondary to a giant lipoma of the wrist and distal forearm. BMJ Case Rep 2024; 17:e256971. [PMID: 38373813 PMCID: PMC10882456 DOI: 10.1136/bcr-2023-256971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024] Open
Abstract
In up to 2% of the population, benign tumours called lipomas can develop. When they are more than 5 cm, they are considered giant lipomas. Giant lipomas of the distal forearm and hand may cause compression to the underlying tissues, nerves and muscles, even though they are typically asymptomatic. An older woman with soft tissue swelling in her right wrist and forearm, and numbness and pain in her right hand presented to the general surgery outpatient clinic. Her numb fingers indicated that the median nerve was compressed, and an MRI scan of her wrist and forearm revealed median nerve compression due to a giant lipoma with a dimension of about 9.2×3.4×4 cm. A surgical excision was done with an intraoperative nerve stimulator, and the specimen sent for histopathology confirmed the diagnosis of lipoma. Pain, numbness and motor power improved within 1 week postoperatively, and the patient was discharged.
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Affiliation(s)
| | | | | | - Sourabh Singh
- General Surgery, AIIMS Bhopal, Bhopal, Madhya Pradesh, India
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13
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Mughal HA. Metastasis from sarcoma with intracranial component referred on suspicion of lipoma or benign cyst. Ugeskr Laeger 2024; 186:V10230622. [PMID: 38327198 DOI: 10.61409/v10230622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
This case report presents a 69-year-old male patient with a subcutaneous tumour in the left parietal region. Initially, the tumour was identified as a lipoma or benign cyst by the general practitioner. However, a subsequent MRI scan revealed a sarcoma metastasis with a significant intracranial component. Radical excision of the tumour was not possible due to its critical localisation. Therefore, the patient received palliative radiotherapy. This case emphasises the importance of accurate clinical assessment and highlights the clinical features that should lead to suspicion of malignancy.
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14
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Gao D, Bao N, Yang B, Song YH, Sun SQ. Preventive Surgery for Asymptomatic Spinal Lipomas in Children. Turk Neurosurg 2024; 34:1-5. [PMID: 34664685 DOI: 10.5137/1019-5149.jtn.31209-20.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AIM To explore the clinical effect and significance of preventive surgery for asymptomatic spinal lipomas in children. MATERIAL AND METHODS We retrospectively analysed the clinical data of 168 patients with asymptomatic spinal lipoma from April 2001 to June 2019, Shanghai Department of Neurosurgery, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine. The patients were aged from 1.5 months to 15 years (the average age was 7 months), and there were no neurological symptoms, such as pain, incontinence, and/or bilateral lower limb dysfunction, before surgery. The surgical procedure included completely removing the lipomas in subcutaneous and extramedullary tissues of the spinal cord, subtotal resection of intraspinal fat, and separating the spinal cord, including the medullary conus from the dura sac, to release the tethered cord. RESULTS For the 168 children with spinal lipomas included in the study, complete resection was undertaken for the dorsal spinal lipomas, and subtotal resection was performed for the transitional lipomas. Subcutaneous effusion caused by cerebrospinal fluid leakage occurred in 5 cases after surgery and was cured after multiple punctures and aspiration. Six patients developed mild incontinence immediately after the operation, 5 of whom completely returned to normal within 1 month, and 1 had no relief of symptoms. A total of 159 of the 168 patients were followed up for 3 to 19 years (the median follow-up time was 76 months). Longterm postoperative symptoms were observed in 13 patients (7.7%), including 12 cases of spinal cord retethering and 1 case of lipoma enlargement. CONCLUSION Preventive surgery can reduce the future incidence of neurological dysfunction in children with asymptomatic spinal lipomas.
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Affiliation(s)
- Ding Gao
- Shanghai Jiao Tong University, School of Medicine, Shanghai Children\'s Medical Center, Department of Neurosurgery, Shanghai, China
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15
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Tan L, Zhang Z, Cao P, Zhang D. Lipofibromatosis of the right neck in an adolescent: The first case report. Asian J Surg 2024; 47:533-535. [PMID: 37775379 DOI: 10.1016/j.asjsur.2023.09.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023] Open
Affiliation(s)
- Lin Tan
- Department of Gastroenterology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, 441000, China
| | - Zelin Zhang
- Department of Oncology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China
| | - Pin Cao
- Department of Oncology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China.
| | - Dongdong Zhang
- Department of Oncology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China.
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16
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Panteleev VI, Kriger AG, Gushcha AO, Dzhigkaeva MM. [Small pelvis lipoma spreading to the gluteal region]. Khirurgiia (Mosk) 2024:97-101. [PMID: 38258695 DOI: 10.17116/hirurgia202401197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
We present a 36-year-old woman with small pelvis lipoma spreading to the gluteal region through the greater sciatic foramen. Resection of lipoma was performed via two accesses (lower median laparotomy and semilunar incision in the gluteal region). The tumor was the content of sciatic hernia that is extremely rare. Combination of surgical approaches can provide favorable outcomes in these patients.
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Affiliation(s)
| | - A G Kriger
- Russian Radiology Research Center, Moscow, Russia
- Russian Medical Academy of Continuing Professional Education, Moscow, Russia
| | - A O Gushcha
- Neurology Research Center, Moscow, Russia
- Russian Medical Academy of Continuing Professional Education, Moscow, Russia
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17
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Cheng C, Punjabi A, Gunther S, Chepla K. Forearm Lipoma Causing PIN Compression: Literature Review and Meta-Analysis of Predictors for Motor Recovery. Hand (N Y) 2024; 19:149-153. [PMID: 35656868 PMCID: PMC10786119 DOI: 10.1177/15589447221096710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Lipomas are a rare cause of posterior interosseous nerve (PIN) compression. A systematic review of predictors for motor recovery has not been performed. This study sought to evaluate whether patient or lipoma characteristics are associated with motor recovery and could be used to determine when immediate tendon transfers at the time of excision should be performed. METHODS Articles describing patients with forearm lipomas resulting in PIN compression with motor weakness were included. Patient age, gender, symptom duration, laterality and largest dimension of lipoma, surgical intervention, and motor recovery were identified. Article quality was assessed via the Methodological Index for Non-Randomized Studies criteria. RESULTS Thirty articles reporting on 34 patients were identified. Average age was 58.2 years. Average largest lipoma dimension was 5.7 cm. All patients underwent lipoma removal, and 2 had concomitant tendon transfers. In all, 73.5% of patients had complete motor recovery at an average of 9.7 months. Patient age and largest dimension of lipoma, and duration of symptoms were not significant predictors of motor recovery. Symptom duration was a significant predictor of motor recovery in binary regression, particularly if < 18 months. CONCLUSIONS The majority of patients with PIN weakness secondary to lipoma are likely to have complete motor recovery after excision alone. Concomitant tendon transfers should be considered for patients symptomatic for greater than 18 months. Further, adequately powered, studies are required to stratify risk factors and evaluate other modalities to identify the minority of patients who would benefit from immediate tendon transfer.
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Affiliation(s)
- Christopher Cheng
- Case Western Reserve University/University Hospitals, Cleveland, OH, USA
| | | | | | - Kyle Chepla
- MetroHealth Medical Center, Cleveland, OH, USA
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18
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Chen J, Xin T, Pan L, Li Y, Qian W, Wei J, Yan Y, Wang Y, Jin F, Jiang H. Endobronchial Lipoma: A Rare Cause of Bronchial Stenosis or Obstruction. Can Respir J 2023; 2023:2799436. [PMID: 38170103 PMCID: PMC10761223 DOI: 10.1155/2023/2799436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 10/28/2023] [Accepted: 11/13/2023] [Indexed: 01/05/2024] Open
Abstract
Endobronchial lipoma (EL) is a rare benign tumor characterized by tracheobronchial smooth-surfaced mass, often resulting in bronchial obstruction without standard guidelines for management. This study seeks to clarify the clinical features and interventions of EL, aiming to improve its diagnosis and outcomes. A retrospective review was conducted on 28516 outpatients treated between January 2015 and December 2019 at the Department of Respiratory and Critical Care Medicine of the Second Affiliated Hospital of Air Force Medical University to collect patients diagnosed with EL. Their clinical, bronchoscopic, chest imaging, and histopathological features along with management were analyzed. Among the patients reviewed, nine were histopathologically diagnosed with EL, comprising seven males and two females. All EL patients exhibited noticeable symptoms, including cough (in eight patients), dyspnea (in six patients), fever (in three patients), expectoration (in two patients), chest pain (in two patients), hemoptysis (in one patient), and fatigue (in one patient). Chest CT abnormalities included endobronchial mass (in four patients), inflammatory exudation (in three patients), atelectasis (in three patients), and infiltration or consolidation (in two patients). In three patients, imaging showed fat density, directly leading to the diagnosis of EL. The EL lesions were distributed with six in the right lung and three in the left lung, all located within the first three subdivisions of the tracheobronchial tree. Treatment approaches varied, with one patient undergoing combined bronchoscopic resection and surgery. The remaining patients received bronchoscopic intervention such as electrosurgical snare resection, argon plasma coagulation (APC), cryotherapy, and holmium laser. Histopathological analysis confirmed the EL diagnosis. Finally, the mass removal restored bronchus patency. Taken together, EL symptoms lack specificity, necessitating reliance on histopathology for EL accurate diagnosis. Bronchoscopic interventions emerge as the preferred option for EL management, surpassing surgical approaches.
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Affiliation(s)
- Jian Chen
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Tao Xin
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Lei Pan
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Yan Li
- Department of Respiratory and Critical Care Medicine, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Weisheng Qian
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Jin Wei
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Yan Yan
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Yan Wang
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Faguang Jin
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
| | - Hua Jiang
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, Shaanxi, China
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19
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Huang HZ, Xia Y, Chen LH. The coincidence of arteriovenous fistula, tethered cord, and filum terminale lipoma: A case report and literature review. Asian J Surg 2023; 46:5683-5684. [PMID: 37709621 DOI: 10.1016/j.asjsur.2023.08.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/15/2023] [Indexed: 09/16/2023] Open
Affiliation(s)
- Hong Zhi Huang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China; Department of Neurosurgery, Sichuan Academy of Medical Sciences &Sichuan Provincial People's Hospital, Affiliated Hospital of the University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yong Xia
- Department of Neurosurgery, Sichuan Academy of Medical Sciences &Sichuan Provincial People's Hospital, Affiliated Hospital of the University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Li Hua Chen
- Department of Neurosurgery, Sichuan Academy of Medical Sciences &Sichuan Provincial People's Hospital, Affiliated Hospital of the University of Electronic Science and Technology of China, Chengdu, 610072, China.
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20
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Inoue N, Morikawa S. Giant left ventricular lipoma. J Echocardiogr 2023; 21:177-178. [PMID: 35980555 DOI: 10.1007/s12574-022-00587-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/19/2022] [Accepted: 08/08/2022] [Indexed: 11/25/2022]
Affiliation(s)
- Naoya Inoue
- Department of Cardiology, Chutoen General Medical Center, Syoubugauraike 1-1, Kakegawa City, Shizuoka Prefecture, 436-8555, Japan.
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan.
| | - Shuji Morikawa
- Department of Cardiology, Chutoen General Medical Center, Syoubugauraike 1-1, Kakegawa City, Shizuoka Prefecture, 436-8555, Japan
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
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21
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Siroya HL, Madhugiri VS, Shukla DP, Uppar AM, Bhagavatula ID. Chaotic lipoma with proximal syrinx -a (not so) rare variant - review of the literature, possible embryology and management. Br J Neurosurg 2023; 37:1514-1522. [PMID: 34802355 DOI: 10.1080/02688697.2021.2005777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/09/2021] [Indexed: 10/19/2022]
Abstract
Chaotic lipomas are an extremely rare variant of spinal lipomas. This entity was first defined in 2009 by Pang and colleagues. Not much has been written about this variant. Its characteristic is the haphazard distribution of DREZ (Dorsal root entry zone), nerve roots and placode-lipoma interface. Thus complete/near-total excision of this lesion is quite difficult. We describe a case of chaotic spinal lipoma and elucidate the challenges faced in the management of this entity and review the literature. We performed a thorough systematic review with the keyword 'chaotic', 'Lipomyelomeningocele', 'Complex Lipomyelomeningocele', 'LMMC', 'Lumbar lipoma', 'spinal lipoma' in the google scholar and PUBMED data system for indexed literature on the above topic with no particular time frame. The studies quoted range earliest from 1970 till currently. Additional potential relevant articles were further retrieved through a manual search of references from original reports. Out of 42 studies, a total of 21 publications were selected which could have encountered a chaotic variant, but due to the term introduced only recently in 2009, may have been described differently. Studies encompassing true lipomeningomyelocele were excluded from our review. What we found out? Chaotic lipoma may not be a new entity. The scarce description in literature may be in part due to non-introduction and unclear description of this term earlier. The management of this variant is particularly challenging with basic principles remaining the same. Meticulous near-total excision and placode-lipoma construct are the major obstacles.
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Affiliation(s)
- Hardik Lalit Siroya
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India
| | - Venkatesh S Madhugiri
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India
| | - Dhaval Premchand Shukla
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India
| | - Alok Mohan Uppar
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India
| | - Indira Devi Bhagavatula
- Department of Neurosurgery, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India
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22
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Affiliation(s)
- Yadi Lan
- Department of Gastroenterology, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Shulei Zhao
- Department of Gastroenterology, Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hongwei Xu
- Department of Gastroenterology, Shandong Provincial Hospital, Shandong University, Jinan, China
- Department of Gastroenterology, Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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23
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Queiroz A, Maia PEG, Lemos JBD, Trierveiler M. Bilateral intraosseous lipoma of the maxillary tuberosity: A challenging entity. J Stomatol Oral Maxillofac Surg 2023; 124:101482. [PMID: 37088329 DOI: 10.1016/j.jormas.2023.101482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 04/25/2023]
Abstract
Lipomas can occur anywhere in the body where fat cells are present; however, intraosseous lipomas are rare. Although solitary lesions have already been reported in the gnathic bones, to the best of our knowledge, this is the first case of bilateral intraosseous lipoma. A 62-year-old woman was referred for evaluation of a swelling on both maxillary tuberosities. The radiographic examination showed a mixed radiolucent-radiopaque image with ill-defined borders on the right side of the maxilla, and an ill-defined radiolucency on the left side. Histologically, both sides revealed numerous mature adipocytes surrounded by immature bone and dystrophic calcification. The patient remains under follow-up and free of disease for 8 months. Due to the rarity of the intraosseous lipomas in the jaws, a literature review of the published cases was performed jointly with this unique case report.
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Affiliation(s)
- Aline Queiroz
- Division of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, Av. Lineu Prestes, 2227, São Paulo, SP 05508-000, Brazil
| | - Paulo Eduardo Garcia Maia
- Foundation for the Scientific and Technological Development of Dentistry, FUNDECTO, University of São Paulo, Av. Lineu Prestes, 2227, São Paulo, SP 05508-000, Brazil
| | - José Benedito Dias Lemos
- Department of Surgery, School of Dentistry, University of São Paulo, Av. Lineu Prestes, 2227, São Paulo, SP 05508-000, Brazil
| | - Marília Trierveiler
- Division of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, Av. Lineu Prestes, 2227, São Paulo, SP 05508-000, Brazil.
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24
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Parkhi M, Mitra S, Agarwal R, Bal A. Endobronchial Sialolipoma: An Uncommon Salivary Gland Tumor at an Uncommon Site. Int J Surg Pathol 2023; 31:1593-1597. [PMID: 37013350 DOI: 10.1177/10668969231160259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
BACKGROUND Sialolipoma is a benign neoplasm composed of neoplastic adipose tissue and normal salivary gland parenchyma. It is commonly seen in the parotid gland. The occurrence of sialolipoma in the main bronchus is exceedingly rare. CASE REPORT A 52-year-old diabetic and hypertensive gentleman presented with shortness of breath and cough for the last 3-4 months. Computed tomography bronchial angiography showed a soft tissue lesion in the right intermediate bronchus causing its complete obliteration and subsequent collapse of the right lower lobe. A rigid tracheobronchoscope revealed a polypoidal growth originating in the right intermediate bronchus. Histopathology revealed a sialolipoma. The patient was doing well on follow-up and no recurrence was noted to date. CONCLUSION The bronchus as the primary site for sialolipoma is unusual and has to be kept in the differential while dealing with the slow-growing endobronchial tumor.
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Affiliation(s)
- Mayur Parkhi
- Departments of Histopathology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Suvradeep Mitra
- Departments of Histopathology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Ritesh Agarwal
- Pulmonary Medicine, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Amanjit Bal
- Departments of Histopathology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
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25
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Weng X, Jiang L, Zhou M. Massive anterior mediastinal lipoma causing cardiac arrest in a middle-aged male: a case report and literature review. Future Cardiol 2023; 19:747-752. [PMID: 38112188 DOI: 10.2217/fca-2023-0107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023] Open
Abstract
Lipoma is a common benign soft tissue tumor, but its size and location can lead to serious issues. We report a case of a 48 year-old male patient who experienced sudden cardiac arrest outside the hospital. After resuscitation and examination, we determined that this was due to a massive mediastinal lipoma compressing the lungs, leading to respiratory failure and pulmonary encephalopathy, ultimately resulting in cardiac arrest. This case serves as a reminder to promptly identify and manage chest lipomas to avoid compression and functional impairment of the respiratory system. Early evaluation and treatment of massive lipomas are crucial for preventing complications.
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Affiliation(s)
- Xulin Weng
- Department of Neurology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, 310015, China
| | - Le Jiang
- Department of Emergency Intensive Care Unit, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, 310015, China
| | - Menglu Zhou
- Department of Neurology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, 310015, China
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26
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Papoutsis D, Kentrifilli D. Lipoma of the placenta. Arch Gynecol Obstet 2023; 308:1881-1883. [PMID: 37052676 PMCID: PMC10579113 DOI: 10.1007/s00404-023-07039-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 04/01/2023] [Indexed: 04/14/2023]
Affiliation(s)
- Dimitrios Papoutsis
- Midwifery Department, School of Health Sciences, University of Western Macedonia, Kozani, Greece.
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27
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Affiliation(s)
- Jenson Phung
- Department of Internal Medicine, University of Minnesota Medical Center, Minneapolis, Minnesota, United States
| | - Morgan Freeman
- Division of Gastroenterology, Hepatology, and Nutrition, University of Minnesota Medical Center, Minneapolis, Minnesota, United States
| | - Mohammad Bilal
- Division of Gastroenterology, Hepatology, and Nutrition, University of Minnesota Medical Center, Minneapolis, Minnesota, United States
- Division of Gastroenterology and Hepatology, Minneapolis Veterans Affairs Medical Center, Minneapolis, Minnesota, United States
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28
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Zhang Y, Hou S, Wang L, Zhao X, Han Z. Cardiac lipoma in left ventricle: A rare case diagnosed using imaging data. J Clin Ultrasound 2023; 51:1464-1465. [PMID: 37801042 DOI: 10.1002/jcu.23581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/07/2023]
Abstract
Lipomas occuring within the heart are rare tumors, and invasive cardiac lipomas are even rare. Hereinafter we reported a case of a 51-year-old woman with a left ventricular transmural invasive lipoma, and summarized the imaging characteristics and main sites of it. Comprehensive imaging investigations appears valuable for early detection, intraoperative monitoring, and postoperative follow-up of invasive cardiac lipomas.
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Affiliation(s)
- Yongxiang Zhang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
| | - Suyun Hou
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
| | - Lingyun Wang
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
| | - Xi Zhao
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
| | - Zhengyang Han
- Department of Ultrasound, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
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29
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Johno H, Hasegawa T, Nagata T. A left intraventricular lipoma resected with the assistance of endoscopic camera. Asian Cardiovasc Thorac Ann 2023; 31:809-811. [PMID: 37814501 DOI: 10.1177/02184923231206199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Cardiac lipomas are extremely rare benign neoplasms of the heart. Most of them do not cause clinical symptoms, so far they are found incidentally in the majority of cases. Here, we describe a case of left intraventricular lipoma in an asymptomatic 34-year-old man which found by transthoracic echocardiography at comprehensive medical examination. Echocardiography and magnetic resonance imaging demonstrated a 3 × 3-cm mass in apical wall of the left ventricle, which was diagnosed as lipoma or liposarcoma. Although he was asymptomatic, tumor resection was indicated to confirm a diagnosis of the tumor and to prevent of future fatal complications. Surgery was performed with endoscopic assistance, and the tumor was resected. Histological examination of the tumor specimens consistent of lipoma. The patient is currently asymptomatic, and no recurrence was seen after 4 years.
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Affiliation(s)
- Hiroyuki Johno
- Department of Cardiovascular Surgery, Takaishi Fujii Cardiovascular Hospital, Takaishi-shi, Osaka, Japan
| | - Takao Hasegawa
- Department of Cardiology, Takaishi Fujii Cardiovascular Hospital, Takaishi-shi, Osaka, Japan
| | - Tomoki Nagata
- Department of Cardiovascular Surgery, Takaishi Fujii Cardiovascular Hospital, Takaishi-shi, Osaka, Japan
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30
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Boot M, Huang J, Walker P. Diagnosis and management of bilateral lipoma of the middle ear. Int J Pediatr Otorhinolaryngol 2023; 174:111716. [PMID: 37801828 DOI: 10.1016/j.ijporl.2023.111716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 10/08/2023]
Abstract
INTRODUCTION Middle ear lipomas are rare, accounting for less than 1% of all middle ear tumours. To our knowledge there have been only 16 reported patients with middle ear lipoma. Only one of these had bilateral congenital middle ear lipomas. The aim of this review is to comprehensive overview the diagnosis and management of congenital lipomas of the middle ear. METHODS A literature review was performed searching multiple data bases, using the key words "middle ear", AND "lipoma", AND "congenital". A total of 116 articles were identified. One hundred were excluded on various criteria, leaving 16 articles for detailed review. Additionally, we report the second case of bilateral congenital middle ear lipoma. RESULTS Based on this case report and literature review, the incidence of middle ear lipomas is greater in paediatric patients than in adult patients. Middle ear lipomas are distributed evenly between males and females. Three patients had recognised genetic syndromes, while five had prior ventilation tube placement. Clinically patients present with conductive hearing loss and middle ear effusions. In some cases, presence of a white or yellow mass behind the anterior aspect of the tympanic membrane is recognised. The most common location of the masses is in the anterosuperior quadrant of the middle ear, the site of predilection for small congenital cholesteatomas. An MRI scan is most useful in distinguishing between lipoma and cholesteatoma. All cases reported surgical excision of the middle ear lipoma. There was no evidence of recurrence noted up to 4 years follow up. CONCLUSION Though rare, congenital lipomas of the middle ear should be a differential diagnosis of a middle ear masses. Early identification can allow surgical lipoma resection with minimal disruption to the ossicular chain. Though there is currently no consensus regarding management, surgical removal and appropriate reconstruction of the ossicular chain if needed, is appropriate.
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Affiliation(s)
| | | | - Paul Walker
- Faculty of Medicine and Health, University of Newcastle, Australia.
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Sumner SM, Makrygiannis EJ, Bartges J, Schmiedt CW. Chylothorax secondary to subcutaneous cervical lipoma in a dog. J Small Anim Pract 2023; 64:718-721. [PMID: 37232098 DOI: 10.1111/jsap.13625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 03/07/2023] [Accepted: 04/21/2023] [Indexed: 05/27/2023]
Abstract
An 8-year-old male neutered American English Coonhound was presented for a 2-day history of increased respiratory effort and rate with an occasional cough. Thoracic radiographs noted pleural effusion, which was chylous based on cytological and chemical evaluation. The dog also had a 2-year history of a slow growing fatty mass in the right cervical region. A CT scan confirmed the large cervical fat attenuating mass extending from the base of the skull to the cranial thorax and right axillary region with compression of vascular structures. Severe bilateral effusion and secondary pulmonary atelectasis was noted within the thoracic cavity. It was elected to surgically remove the cervical mass and place a PleuralPort within the thoracic cavity. The mass was diagnosed as a lipoma and its removal led to rapid and complete resolution of chylothorax. Based on the literature search, this is the first case report of chylothorax secondary to a cervical mass or subcutaneous lipoma.
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Affiliation(s)
- S M Sumner
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - E J Makrygiannis
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - J Bartges
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - C W Schmiedt
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
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32
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Tamang M, Mahalik SK, Tripathy TP. Parosteal lipoma of rib causing widening of intercostal space in an adolescent. BMJ Case Rep 2023; 16:e257794. [PMID: 37899078 PMCID: PMC10618982 DOI: 10.1136/bcr-2023-257794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2023] [Indexed: 10/31/2023] Open
Abstract
Parosteal lipomas are typically seen in adults and affect mostly the diaphysis of the long bones of the upper and lower limbs. Only a few cases have been reported in children until now and none were reported involving ribs. A female adolescent patient presented with swelling on the left upper back over the scapular region for the past 4 years without any neurological deficit. MRI revealed a hyperintense lesion on the left paravertebral region extending from D5 to D12 and into the intercostal space, causing it to widen. The patient underwent surgical excision. The lipomatous mass was seen entering in to the intercostal space, causing it to widen. However, the pleura was not breached. In this report, we have performed a literature review compiling all cases of parosteal lipoma affecting the ribs.
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Affiliation(s)
- Manita Tamang
- Pediatric Surgery, All India Institute of Medical Sciences Bhubaneswar, Bhubaneswar, Odisha, India
| | - Santosh Kumar Mahalik
- Pediatric Surgery, All India Institute of Medical Sciences Bhubaneswar, Bhubaneswar, Odisha, India
| | - Tara Prasad Tripathy
- Radiodiagnosis, All India Institute of Medical Sciences - Bhubaneswar, Bhubaneswar, Odisha, India
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33
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Kyaw PSP, Eliezer DD, Sutherland A. Colo-colonic intussusception secondary to a lipomatous lesion in an asymptomatic patient. BMJ Case Rep 2023; 16:e256128. [PMID: 37848278 PMCID: PMC10583061 DOI: 10.1136/bcr-2023-256128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023] Open
Abstract
Colo-colonic intussusception is a rare clinical condition in adults. The predominant aetiology of intussusception in adults is a pathological lead point, with malignant lesions being the most common type. Lipomas are benign tumours of adipocytes that can sometimes be difficult to diagnose without histopathological confirmation as we highlight with this case report. We report a case of an asymptomatic female patient in her 50s who presented with an intussusception due to a giant colonic lipoma. Her CT imaging showed the possibility of a low-grade liposarcomatous component or atypical lipomatous tumour component. A laparoscopic right hemicolectomy was performed due to intussusception with the possibility of leading to colonic obstruction as well as diagnostic uncertainty of the risk of malignancy. Histopathology confirmed the diagnosis of a lipomatous lesion. In cases such as this, early surgical management is appropriate to rule out malignancy and prevent emergency presentation and surgery.
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Affiliation(s)
- Pan Su Pyae Kyaw
- School of Medicine and Health, University of New South Wales, Coffs Harbour Rural Clinical School, Coffs Harbour, New South Wales, Australia
| | | | - Andrew Sutherland
- Department of General Surgery, Coffs Harbour Health Campus, Coffs Harbour, New South Wales, Australia
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34
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Aoki H, Mugikura S, Shirane R, Hayashi T, Kimiwada T, Sakai K, Ainoya K, Ota H, Takase K, Shimanuki Y. Role of Magnetic Resonance Imaging in the Screening of Closed Spinal Dysraphism. Neurol Med Chir (Tokyo) 2023; 63:473-481. [PMID: 37648539 PMCID: PMC10687668 DOI: 10.2176/jns-nmc.2023-0002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 06/14/2023] [Indexed: 09/01/2023] Open
Abstract
Closed spinal dysraphism (CSD) encompasses a heterogeneous group of spinal cord deformities, which can be accompanied by several types of skin stigmata. These skin stigmata may include inconspicuous features, such as sacral dimples and deformed gluteal clefts, but the association between such mild skin stigmata and CSD is uncertain. This study aimed to reevaluate the indication for magnetic resonance imaging (MRI) in patients with skin stigmata while considering the indication for surgery. A retrospective analysis was conducted on magnetic resonance images of 1255 asymptomatic children with skin stigmata between 2003 and 2015. Skin stigmata classification was based on medical chart data. All subtypes of CSDs except for filum terminale lipomas (FTL), FTL thicker than 2 mm or with low conus medullaris, were considered to meet the surgical indication. CSD prevalence was estimated while considering the surgical indications and assessed after excluding all FTL cases. Skin stigmata were classified into seven types, dimple, deformed gluteal cleft, hair, subcutaneous mass, appendage, discoloration, and protruding bone, and included 1056 isolated and 199 complex ones. The prevalence of CSD was 19.5%, 6.8%, and 0.5% among patients with isolated dimples (n = 881) and 13.9%, 5.8%, and 0.7% among those with isolated deformed gluteal clefts (n = 136) for all cases, surgical indications, and patients without FTL, respectively. Dimples and deformed gluteal clefts had a low prevalence of CSD requiring surgical intervention, and cases without FTL were rare. Asymptomatic patients with mild skin stigmata may not require immediate MRI.
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Affiliation(s)
- Hidekazu Aoki
- Department of Radiology, Miyagi Children's Hospital
- Department of Diagnostic Radiology, Tohoku University Hospital
| | - Shunji Mugikura
- Department of Diagnostic Radiology, Tohoku University Hospital
| | - Reizo Shirane
- Department of Neurosurgery, Miyagi Children's Hospital
| | | | | | | | - Keiko Ainoya
- Department of Urology, Miyagi Children's Hospital
| | - Hideki Ota
- Department of Diagnostic Radiology, Tohoku University Hospital
| | - Kei Takase
- Department of Diagnostic Radiology, Tohoku University Hospital
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35
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Chin CWH, Kweh BTS, Gonzalvo A. Saccular posterior cerebral artery aneurysm encased within a lipoma. BMJ Case Rep 2023; 16:e257158. [PMID: 37821145 PMCID: PMC10583074 DOI: 10.1136/bcr-2023-257158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2023] [Indexed: 10/13/2023] Open
Abstract
We present a case of a man in his 80s with an incidental posterior cerebral artery aneurysm encased within a lipoma. The literature surrounding the incidence and intricate relationship of lipomas to cerebral aneurysms is reviewed. Lipomas are proposed to be derived from maldifferentiated subarachnoid space. For this reason, lipomas are often associated with vascular malformations and may develop in conjunction with vascular malformations such as cerebral aneurysms. Hypothesised theories include the impediment of smooth muscle nutrient diffusion and the secretion of factors that weaken the arterial wall thereby predisposing to aneurysm formation. When lipomas neighbour cerebral vasculature, careful evaluation of the adjacent vessels should be conducted.
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Hua HJ, Yang QY, Li MN, Li Y, Ding Y, Fan QH, Li H. [Low-fat and fat-free spindle cell lipoma: a clinicopathological analysis of six cases]. Zhonghua Bing Li Xue Za Zhi 2023; 52:1028-1030. [PMID: 37805395 DOI: 10.3760/cma.j.cn112151-20230725-00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Affiliation(s)
- H J Hua
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Q Y Yang
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - M N Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Y Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Y Ding
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Q H Fan
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - H Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
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Li H, Zhu J, Shen L, Pan Z, Wu C, Wu Y. A Giant Dendritic Fibromyxolipoma in the Right Thorax: A Rare Entity. Chest 2023; 164:e89-e91. [PMID: 37805252 DOI: 10.1016/j.chest.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/11/2023] [Accepted: 06/12/2023] [Indexed: 10/09/2023] Open
Abstract
Dendritic fibromyxolipoma (DFML) is an uncommon benign tumor. We report the first DFML in the right thorax of a child. An 11-year-old girl was admitted because of a giant tumor in the right thorax. An enhanced chest CT scan indicated a thoracic mass with mild enhancement. Thoracoscopic biopsy revealed that the tumor was composed of stellate and spindle cells embedded within abundant myxoid stroma. Additionally, mature adipocytes, cytoplasmic dendritic processes, short strands of keloidal-type collagen, and plexiform blood vessels were observed. Immunohistochemical staining indicated positive for CD34 and BCL-2. DDIT3 alteration or MDM2 amplification were not observed. The diagnosis of DFML was considered, and complete tumorectomy was performed. In conclusion, definite diagnosis of DFML should be made according to the pathologic features. Accurate diagnosis is crucial to avoid overtreatment because DFML potentially can be mistaken for more aggressive neoplasms.
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Affiliation(s)
- Hongbo Li
- Departments of Cardiothoracic Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China
| | - Jin Zhu
- Pathology, Children's Hospital of Chongqing Medical University, Chongqing, China; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China
| | - Lianju Shen
- Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China
| | - Zhengxia Pan
- Departments of Cardiothoracic Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China
| | - Chun Wu
- Departments of Cardiothoracic Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China
| | - Yuhao Wu
- Departments of Cardiothoracic Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key laboratory of Pediatrics, Chongqing China.
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38
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Morota N, Sakamoto H. Surgery for spina bifida occulta: spinal lipoma and tethered spinal cord. Childs Nerv Syst 2023; 39:2847-2864. [PMID: 37421423 DOI: 10.1007/s00381-023-06024-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 06/09/2023] [Indexed: 07/10/2023]
Abstract
The technical evolution of the surgery for spina bifida occulta (SBO) over the course of a half-century was reviewed with special foci placed on the spinal lipoma and tethered spinal cord. Looking back through history, SBO had been included in spina bifida (SB). Since the first surgery for spinal lipoma in the mid-nineteenth century, SBO has come to be recognized as an independent pathology in the early twentieth century. A half-century ago, the only option available for SB diagnosis was the plain X-ray, and pioneers of the time persevered in the field of surgery. The classification of spinal lipoma was first described in the early 1970s, and the concept of tethered spinal cord (TSC) was proposed in 1976. Surgical management of spinal lipoma with partial resection was the most widely practiced approach and was indicated only for symptomatic patients. After understanding TSC and tethered cord syndrome (TCS), more aggressive approaches became preferred. A PubMed search suggested that there was a dramatic increase of publications on the topic beginning around 1980. There have been immense academic achievements and technical evolutions since then. From the authors' viewpoint, landmark achievements in this field are listed as follows: (1) establishment of the concept of TSC and the understanding of TCS; (2) unraveling the process of secondary and junctional neurulation; (3) introduction of modern intraoperative neurophysiological mapping and monitoring (IONM) for surgery of spinal lipomas, especially the introduction of bulbocavernosus reflex (BCR) monitoring; (4) introduction of radical resection as a surgical technique; and (5) proposal of a new classification system of spinal lipomas based on embryonic stage. Understanding the embryonic background seems critical because different embryonic stages bring different clinical features and of course different spinal lipomas. Surgical indications and selection of surgical technique should be judged based on the background embryonic stage of the spinal lipoma. As time flows forward, technology continues to advance. Further accumulation of clinical experience and research will open the new horizon in the management of spinal lipomas and other SBO in the next half-century.
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Affiliation(s)
- Nobuhito Morota
- Department of Neurosurgery, Kitasato Universicy Hospital, 1-15-1 Kitasato, Minami-Ku, Sagamihara, 252-0375, Japan.
| | - Hiroaki Sakamoto
- Department of Pediatric Neurosurgery, Osaka City General Hospital, 2-13-22 Miyakojima-Hondori, Miyakojima-Ku, Osaka, 534-0021, Japan
- Department of Neurosurgery, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahi-Machi, Abeno-Ku, Osaka, 545-8585, Japan
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39
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Nishio J, Nakayama S, Chijiiwa Y, Aoki M. Biology and Management of Deep-seated Atypical Lipomatous Tumor of the Extremities. Anticancer Res 2023; 43:4295-4301. [PMID: 37772567 DOI: 10.21873/anticanres.16624] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/01/2023] [Accepted: 08/04/2023] [Indexed: 09/30/2023]
Abstract
Adipocytic neoplasms are frequently encountered in clinical practice. Atypical lipomatous tumor (ALT) is a locally aggressive but non-metastasizing adipocytic neoplasm that primarily occurs in the proximal extremities of middle-aged to older adults. Histologically, ALT is divided into adipocytic (lipoma-like), sclerosing and inflammatory subtypes. The sclerosing subtype is an unfavorable prognostic factor for local recurrence. ALT is characterized by supernumerary ring and/or giant rod chromosomes. These rings and giant markers invariably contain amplified sequences originating from the long arm of chromosome 12, including the MDM2 proto-oncogene (MDM2) and cyclin-dependent kinase 4 (CDK4) gene. MDM2 and/or CDK4 nuclear immunopositivity is present in most cases. Confidently differentiating deep-seated ALT from deep-seated ordinary lipoma is often difficult on imaging. Moreover, the sclerosing subtype may mimic a higher grade liposarcoma. Detection of MDM2 amplification by fluorescence in situ hybridization would be helpful diagnostically for ALT in more difficult cases. The standard treatment for deep-seated ALT is surgery. Although there is no consensus on the best surgical approach for deep-seated ALT of the extremities, the use of marginal resection is acceptable to preserve musculoskeletal function. This review provides an overview of the current knowledge on the clinical and imaging characteristics, pathogenesis, histopathology, and management of deep-seated ALT of the extremities.
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Affiliation(s)
- Jun Nishio
- Section of Orthopaedic Surgery, Department of Medicine, Fukuoka Dental College, Fukuoka, Japan;
| | - Shizuhide Nakayama
- Department of Orthopaedic Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Yoshiro Chijiiwa
- Section of Orthopaedic Surgery, Department of Medicine, Fukuoka Dental College, Fukuoka, Japan
| | - Mikiko Aoki
- Department of Pathology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
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40
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Kummari M, Narahari NK, Kapoor A, Avala RC, Paramjyothi GK. A rare case of giant mediastino-pleural lipoma. Asian Cardiovasc Thorac Ann 2023; 31:739-742. [PMID: 37644798 DOI: 10.1177/02184923231197694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Lipomas are common benign neoplastic mesenchymal tumours arising from adipose tissue anywhere in the body. Giant intra-thoracic lipoma extending across the anterior mediastinum into bilateral pleural spaces causing compression of the underlying lung resulting in respiratory embarrassment is rarely seen and reported. Giant lipomas of thorax require surgical excision as they continue to grow and cause compressive symptoms.
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Affiliation(s)
- Madhusudhan Kummari
- Department of Cardiothoracic Surgery, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad, Telangana, India
| | - Narendra Kumar Narahari
- Department of Pulmonary Medicine, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad, Telangana, India
| | - Anu Kapoor
- Department of Radiology and Imaging, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad, Telangana, India
| | | | - G K Paramjyothi
- Department of Pulmonary Medicine, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad, Telangana, India
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41
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Brooks JK, Rostami A, Zhou CQ, Sultan AS. Spindle cell lipoma of the buccal mucosa: Uncommon finding in an older adult. Gerodontology 2023; 40:398-401. [PMID: 36465036 DOI: 10.1111/ger.12666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/12/2022] [Accepted: 11/01/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE This article reports a case of a longstanding, slowly enlarging intraoral spindle cell lipoma (SCL) that had become increasingly painful during mastication. BACKGROUND The SCL represents an uncommon variant of the conventional lipoma. There is limited information regarding this lesion in the gerodontologic literature. MATERIALS AND METHODS A 68-year-old patient underwent an excisional biopsy of a 9-mm slightly yellow papule along the buccal mucosa. RESULTS The surgical specimen was composed of mature adipocytes with abundant spindle cell populations and was diagnosed as a SCL. CONCLUSIONS Timely removal of the SCL may reduce the incidence of clinical and surgical complications, particularly in older adults. The management of a SCL is complete excision, and recurrence is rare. Lesions must be carefully distinguished microscopically from its malignant counterpart, the spindle cell liposarcoma.
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Affiliation(s)
- John K Brooks
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA
| | - Arash Rostami
- Division of General Dentistry, University of Maryland School of Dentistry, Baltimore, Maryland, USA
| | - Cindy Q Zhou
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA
| | - Ahmed S Sultan
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry and University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
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42
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Huang Z, Wang X, Dai D, Tang G. Giant atypical lipoma of thoracic cavity: Special tumor location. Am J Med Sci 2023; 366:e47-e48. [PMID: 37094634 DOI: 10.1016/j.amjms.2023.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/18/2023] [Accepted: 04/18/2023] [Indexed: 04/26/2023]
Affiliation(s)
- Zhicheng Huang
- Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xiaoyong Wang
- Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Dongqin Dai
- Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Guangcai Tang
- Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
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43
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Sagenly M, Karnoub MA, Vinchon M. Non-dysraphic intramedullary spinal cord lipoma of the child: Report of 3 cases. Neurochirurgie 2023; 69:101473. [PMID: 37482183 DOI: 10.1016/j.neuchi.2023.101473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/02/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
BACKGROUND AND PURPOSE Non-dysraphic intramedullary spinal cord lipomas (NDSCL) represent 1% of spinal cord tumors. They are less frequent than dysraphic spinal cord lipomas and clinical presentation is unspecific. There are no guidelines on surgical management. MATERIAL AND METHODS We report three observations of NDSCL in children, focusing on the clinical presentation, surgical management and postoperative outcome. RESULTS The patients, one female and two males, aged from 5 months to 10 years presented with neurological deterioration, pain, spinal rigidity and in two cases, a subcutaneous mass. Spinal MRI found intradural lipomas without spina bifida, located in the cervico-thoracic area in all cases. The lipoma extended to the medulla oblongata in two cases and was in the lumbar region in the third. These lipomas were massive, requiring decompression surgery. Surgery confirmed the lipoma to be subpial. We performed debulking of the lipoma without attempting total resection, and with or without dural plasty and laminoplasty, followed by minerva cast in two cases, and avoidance of standing in the youngest. Satisfactory recovery occurred in all three cases. After a follow-up between 4 months and 9 years, the outcome was favorable in all cases, and no patient presented with secondary spinal deformation or lipoma progression. CONCLUSION NDSCL is a rare entity, which often manifests with progressive pain and neurological deficits. In our experience, partial resection with or without dural plasty and laminoplasty has been associated with satisfactory postoperative outcomes and no recurrence of symptoms. We should be attentive to the risk of postoperative spinal deformity in these young patients.
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Affiliation(s)
- M Sagenly
- Department of pediatric neurosurgery, University of Lille, Lille University Hospital, Lille, France.
| | - M-A Karnoub
- Department of pediatric neurosurgery, University of Lille, Lille University Hospital, Lille, France
| | - M Vinchon
- Department of pediatric neurosurgery, University of Lille, Lille University Hospital, Lille, France
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44
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Rizzuto MA, Wang JCW, Ailon T, Dandurand C. Surgical Management of Nondysraphic Spinal Intramedullary Lipoma: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2023; 25:e153-e154. [PMID: 37222509 DOI: 10.1227/ons.0000000000000755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 03/14/2023] [Indexed: 05/25/2023] Open
Affiliation(s)
- Michael A Rizzuto
- Department of Orthopedic Surgery, Combined Neurosurgical and Orthopedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
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45
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Kang DH, Lew BL, Kwon SH. Do the Clinical Characteristics of Lipomas Influence the Incision Length During Minimal Incision Extraction? J Cutan Med Surg 2023; 27:461-465. [PMID: 37470263 DOI: 10.1177/12034754231188439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
BACKGROUND Minimal incision extraction technique is widely accepted for the surgical removal of lipomas, but no consensus for the incision length has been made yet. OBJECTIVE To investigate the clinical characteristics of lipomas which affect the minimal incision length during the minimal incision extraction. METHODS We retrospectively analyzed 50 patients who underwent minimal incision extraction for 55 medium-sized (3-5 cm) or large lipomas (> 5 cm) between March 2020 and May 2022. If the mass is not fully dissected, or adequate visual field for hemostasis was not provided through the initial one-third incision, the incision was extended to the minimal extent. RESULTS There were 33 males and 17 females with a mean age of 53.5 ± 12.7 years. There was no statistical difference in the minimal % incision length, defined as [(incision length) / (tumor diameter)] x 100, between the medium-sized (n = 31) and large lipomas (n = 24). Lipomas of the long incision group (minimal % incision length ≥66.7%, n = 21) had a higher frequency of head and neck location than lipomas of the short incision group (minimal % incision length <66.7%, n = 34) (odds ratio = 14.5, P < .05). However, no association was found between the tumor diameter or depth and the minimal % incision length. The occurrence of postoperative complications was not associated also (P = .296). CONCLUSION The minimal % incision length for lipoma removal does not show statistical difference between medium-sized and large lipomas, and is affected by its anatomical location, but not by tumor diameter or depth.
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Affiliation(s)
- Da-Hyun Kang
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, South Korea
| | - Bark-Lynn Lew
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, South Korea
| | - Soon-Hyo Kwon
- Department of Dermatology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, South Korea
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Facanali CBG, Junior MRF, Junior CWS, Safatle-Ribeiro AV. A Sessile Serrated Lesion Overlying a Submucosal Colonic Lipoma: An Endoscopic Rarity Identified Using Artificial Intelligence. Am J Case Rep 2023; 24:e940499. [PMID: 37563824 PMCID: PMC10426383 DOI: 10.12659/ajcr.940499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 07/07/2023] [Accepted: 06/28/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Lipomas are benign, slow-growing mesenchymal neoplasms, more prevalent in females, with a peak incidence in the fifth to sixth decades of life. Generally, due to their low clinical relevance, they receive little attention in the literature. Uncommon in the colon, lipomas are most often identified as an incidentaloma in asymptomatic patients during colonoscopy, and overlapping with epithelial lesions is a rare finding. Serrated polyps used to be considered as hyperplastic polyps without any malignant potential; however, currently, the serrated pathway accounts for one-third of all colorectal cancers. Here, we describe a rare case of a sessile serrated lesion on a submucosal lipoma identified with the aid of artificial intelligence. CASE REPORT A 60-year-old woman underwent screening colonoscopy for colorectal cancer after a positive fecal immunochemical test. A high-definition colonoscopy with the aid of artificial intelligence (Fujifilm CAD EYE) was performed. A flat lesion at the right colon was diagnosed with white-light endoscopy simultaneously identified by artificial intelligence, which classified the lesion as hyperplastic. Resection was performed through mucosectomy, and a sign of naked fat was observed at the base of the resected lesion. Histopathology of the specimen characterized a submucosal lipoma associated with a sessile serrated lesion. CONCLUSIONS We describe a rare case of sessile serrated lesion on a colon lipoma, identified with the aid of artificial intelligence. We carried out a brief literature review and discussed the main findings and aspects related to the literature.
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Natsis K, Achlatis V, Piagkou M, Totlis T. A Giant Lipoma in the Distal Forearm of a Cadaver. Acta Med Acad 2023; 52:142-145. [PMID: 37933511 DOI: 10.5644/ama2006-124.414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/26/2023] [Indexed: 11/08/2023] Open
Abstract
OBJECTIVE Lipomas are very common tumors which usually prefer the upper limbs and, depending on their size, may cause nerve compression, or may be asymptomatic. The current cadaveric report describes a giant lipoma in the distal forearm area. CASE REPORT A large mass (5.1 × 3.2 × 1.6 cm) was identified on the palmar surface of the distal forearm, during dissection of a 63-year-old male cadaver. The mass caused anteromedial displacement and flattening of the median nerve (MN). Despite the lack of information about the subject's medical history, MN compression was assumed on the basis of the lipoma's size, its vicinity to neural structures, and the MN displacement and flattening. CONCLUSION The enlarged distal forearm lipoma, located adjacent to the carpal tunnel, displaced and flattened the MN. The cadaveric finding described is clinically relevant for both differential diagnosis and surgical treatment of carpal tunnel syndrome.
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Affiliation(s)
- Konstantinos Natsis
- Department of Anatomy and Surgical Anatomy, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Vlasios Achlatis
- Department of Anatomy and Surgical Anatomy, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Maria Piagkou
- Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Greece
| | - Trifon Totlis
- Department of Anatomy and Surgical Anatomy, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece.
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Ahn SH, Kim KM, Cho NC, Ahn M. Atypical Spindle Cell/Pleomorphic Lipomatous Tumor of the Orbit: A Case Report. Korean J Ophthalmol 2023; 37:350-351. [PMID: 37400086 PMCID: PMC10427908 DOI: 10.3341/kjo.2023.0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 06/26/2023] [Accepted: 07/02/2023] [Indexed: 07/05/2023] Open
Affiliation(s)
- Sung Hyun Ahn
- Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju,
Korea
| | - Kyoung Min Kim
- Department of Pathology, Jeonbuk National University Medical School, Jeonju,
Korea
- Research Institute of Clinical Medicine, Jeonbuk National University, Jeonju,
Korea
- Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju,
Korea
| | - Nam Chun Cho
- Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju,
Korea
- Department of Pathology, Jeonbuk National University Medical School, Jeonju,
Korea
- Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju,
Korea
| | - Min Ahn
- Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju,
Korea
- Department of Pathology, Jeonbuk National University Medical School, Jeonju,
Korea
- Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju,
Korea
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Acharya A, Mahapatra AK, Panigrahi S, Deo RC, Senapati SB. Long-Term Outcome of a Patient with Spinal Lipoma. Neurol India 2023; 71:829-830. [PMID: 37635544 DOI: 10.4103/0028-3886.383805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Affiliation(s)
- Abhijit Acharya
- Department of Neurosurgery, SOA IMS and SUM Hospital, Bhubaneswar, Odisha, India
| | - Ashok K Mahapatra
- Department of Neurosurgery, SOA IMS and SUM Hospital, Bhubaneswar, Odisha, India
| | - Souvagya Panigrahi
- Department of Neurosurgery, SOA IMS and SUM Hospital, Bhubaneswar, Odisha, India
| | - Rama Chandra Deo
- Department of Neurosurgery, SOA IMS and SUM Hospital, Bhubaneswar, Odisha, India
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50
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Sureja VP, Tagore KR. Oncocytic sialolipoma of parotid gland: Case report and literature review. INDIAN J PATHOL MICR 2023; 66:591-593. [PMID: 37530346 DOI: 10.4103/ijpm.ijpm_323_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Abstract
Neoplastic lipomatous lesions of the salivary glands constitute ≤0.5% of all the salivary gland tumors. Oncocytic sialolipoma of the parotid glands is extremely uncommon. We report a case of oncocytic sialolipoma of the parotid gland in a 59-year-old male who presented with a gradually increasing swelling of the right parotid. Excisional parotid biopsy performed in view of possible pleomorphic adenoma as suggested on ultrasonography showed histological features consistent with oncocytic sialolipoma. We also described the characteristics of 24 previously reported cases of oncocytic sialolipoma of the parotid gland. The median age of the patients including the present case was 56 years (range 7-89), and 14 were male. The largest and the least reported sizes of the tumor were 7.0 and 1.4 cm, respectively. The left-sided parotid gland was more commonly involved (14/23). Despite its rarity, oncocytic sialolipoma should be considered in lipomatous parotid lesions showing epithelial components with oncocytic changes.
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Affiliation(s)
- Venu Patel Sureja
- Department of Pathology, Star Hospitals, Hyderabad, Telangana, India
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