Skull Parosteal Lipoma with Reactive Hyperostosis: A Case Report
A 50-year-old female presented with more than 20-year history of a large subcutaneous mass in the left parieto-occipital portion. Magnetic resonance (MR) imaging revealed the lipomatous mass to show a high signal intensity in both T1- and T2-weighted images. A part of the lipomatous lesion progresse...
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| Veröffentlicht in: | Neurologia medico-chirurgica 2014, Vol.54(4), pp.314-316 |
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| container_title | Neurologia medico-chirurgica |
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| creator | MURAKAMI, Mamoru HIRAI, Makoto SAKAKIBARA, Takehiko YAMAKI, Tarumi KUSUZAKI, Katuyuki |
| description | A 50-year-old female presented with more than 20-year history of a large subcutaneous mass in the left parieto-occipital portion. Magnetic resonance (MR) imaging revealed the lipomatous mass to show a high signal intensity in both T1- and T2-weighted images. A part of the lipomatous lesion progressed into the underlying hyperostosis and skull. The preoperative diagnosis was skull invasion of a well-differentiated liposarcoma. The tumor was removed completely, including the underlying hyperostosis and skull. Microscopy confirmed a lipoma without any lipoblasts, which was firmly attached to the reactive hyperostosis, and islands of lipoma were involved in the underlying hyperostosis and skull cortex. A pathological diagnosis of parosteal lipoma with reactive hyperostosis was made. Long-term progression of parosteal lipoma may cause to involve the underlying hyperostosis and skull, and led to the diagnosis of invasion of a malignant tumor on MR imaging. |
| doi_str_mv | 10.2176/nmc.cr2012-0290 |
| format | Article |
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Magnetic resonance (MR) imaging revealed the lipomatous mass to show a high signal intensity in both T1- and T2-weighted images. A part of the lipomatous lesion progressed into the underlying hyperostosis and skull. The preoperative diagnosis was skull invasion of a well-differentiated liposarcoma. The tumor was removed completely, including the underlying hyperostosis and skull. Microscopy confirmed a lipoma without any lipoblasts, which was firmly attached to the reactive hyperostosis, and islands of lipoma were involved in the underlying hyperostosis and skull cortex. A pathological diagnosis of parosteal lipoma with reactive hyperostosis was made. Long-term progression of parosteal lipoma may cause to involve the underlying hyperostosis and skull, and led to the diagnosis of invasion of a malignant tumor on MR imaging.</description><identifier>ISSN: 0470-8105</identifier><identifier>EISSN: 1349-8029</identifier><identifier>DOI: 10.2176/nmc.cr2012-0290</identifier><identifier>PMID: 24162239</identifier><language>eng</language><publisher>Japan: The Japan Neurosurgical Society</publisher><subject>Case Report ; Diagnosis, Differential ; Disease Progression ; Female ; Head and Neck Neoplasms - complications ; Head and Neck Neoplasms - pathology ; Head and Neck Neoplasms - surgery ; Humans ; hyperostosis ; Hyperostosis - etiology ; Lipoma - complications ; Lipoma - pathology ; Lipoma - surgery ; liposarcoma ; Magnetic Resonance Imaging ; Middle Aged ; Neoplasm Invasiveness - diagnosis ; Occipital Bone - pathology ; Parietal Bone - pathology ; parosteal lipoma ; skull ; Subcutaneous Tissue ; Tomography, X-Ray Computed</subject><ispartof>Neurologia medico-chirurgica, 2014, Vol.54(4), pp.314-316</ispartof><rights>2014 by The Japan Neurosurgical Society</rights><rights>2014 The Japan Neurosurgical Society 2014</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c578t-3d8c35a1640ca339f0d0d4c6bf4c89793af95b9c6a7a3fcdd61b342cabf6d5a53</citedby><cites>FETCH-LOGICAL-c578t-3d8c35a1640ca339f0d0d4c6bf4c89793af95b9c6a7a3fcdd61b342cabf6d5a53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533478/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533478/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,1877,4010,27902,27903,27904,53769,53771</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24162239$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MURAKAMI, Mamoru</creatorcontrib><creatorcontrib>HIRAI, Makoto</creatorcontrib><creatorcontrib>SAKAKIBARA, Takehiko</creatorcontrib><creatorcontrib>YAMAKI, Tarumi</creatorcontrib><creatorcontrib>KUSUZAKI, Katuyuki</creatorcontrib><title>Skull Parosteal Lipoma with Reactive Hyperostosis: A Case Report</title><title>Neurologia medico-chirurgica</title><addtitle>Neurol. Med. Chir.(Tokyo)</addtitle><description>A 50-year-old female presented with more than 20-year history of a large subcutaneous mass in the left parieto-occipital portion. Magnetic resonance (MR) imaging revealed the lipomatous mass to show a high signal intensity in both T1- and T2-weighted images. A part of the lipomatous lesion progressed into the underlying hyperostosis and skull. The preoperative diagnosis was skull invasion of a well-differentiated liposarcoma. The tumor was removed completely, including the underlying hyperostosis and skull. Microscopy confirmed a lipoma without any lipoblasts, which was firmly attached to the reactive hyperostosis, and islands of lipoma were involved in the underlying hyperostosis and skull cortex. A pathological diagnosis of parosteal lipoma with reactive hyperostosis was made. Long-term progression of parosteal lipoma may cause to involve the underlying hyperostosis and skull, and led to the diagnosis of invasion of a malignant tumor on MR imaging.</description><subject>Case Report</subject><subject>Diagnosis, Differential</subject><subject>Disease Progression</subject><subject>Female</subject><subject>Head and Neck Neoplasms - complications</subject><subject>Head and Neck Neoplasms - pathology</subject><subject>Head and Neck Neoplasms - surgery</subject><subject>Humans</subject><subject>hyperostosis</subject><subject>Hyperostosis - etiology</subject><subject>Lipoma - complications</subject><subject>Lipoma - pathology</subject><subject>Lipoma - surgery</subject><subject>liposarcoma</subject><subject>Magnetic Resonance Imaging</subject><subject>Middle Aged</subject><subject>Neoplasm Invasiveness - diagnosis</subject><subject>Occipital Bone - pathology</subject><subject>Parietal Bone - pathology</subject><subject>parosteal lipoma</subject><subject>skull</subject><subject>Subcutaneous Tissue</subject><subject>Tomography, X-Ray Computed</subject><issn>0470-8105</issn><issn>1349-8029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkEtLAzEURoMotlTX7mSWbqbmOZNxIUqpDygoPtbhTibTRudlkir9905tLbpJCN_JucmH0AnBY0rS5Lyp9Vg7igmNMc3wHhoSxrNY9od9NMQ8xbEkWAzQsfc2x5hyyZlMD9GAcpJQyrIhunp-X1ZV9Aiu9cFAFc1s19YQfdmwiJ4M6GA_TXS36swaaL31F9F1NAFv-rRrXThCByVU3hxv9xF6vZm-TO7i2cPt_eR6FmuRyhCzQmomgCQca2AsK3GBC66TvORaZmnGoMxEnukEUmClLoqE5IxTDXmZFAIEG6HLjbdb5rUptGmCg0p1ztbgVqoFq_4njV2oefupuGCMp7IXnG0Frv1YGh9Ubb02VQWNaZdeEcG4pBxL2qPnG1T3n_bOlLsxBKt19aqvXm2qV-vq-xunf1-343-L7oHpBnjzAeZmB4ALVlfmRyi44uvlj3iX6wU4ZRr2DbMemgQ</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>MURAKAMI, Mamoru</creator><creator>HIRAI, Makoto</creator><creator>SAKAKIBARA, Takehiko</creator><creator>YAMAKI, Tarumi</creator><creator>KUSUZAKI, Katuyuki</creator><general>The Japan Neurosurgical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TK</scope><scope>5PM</scope></search><sort><creationdate>2014</creationdate><title>Skull Parosteal Lipoma with Reactive Hyperostosis: A Case Report</title><author>MURAKAMI, Mamoru ; HIRAI, Makoto ; SAKAKIBARA, Takehiko ; YAMAKI, Tarumi ; KUSUZAKI, Katuyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c578t-3d8c35a1640ca339f0d0d4c6bf4c89793af95b9c6a7a3fcdd61b342cabf6d5a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Case Report</topic><topic>Diagnosis, Differential</topic><topic>Disease Progression</topic><topic>Female</topic><topic>Head and Neck Neoplasms - complications</topic><topic>Head and Neck Neoplasms - pathology</topic><topic>Head and Neck Neoplasms - surgery</topic><topic>Humans</topic><topic>hyperostosis</topic><topic>Hyperostosis - etiology</topic><topic>Lipoma - complications</topic><topic>Lipoma - pathology</topic><topic>Lipoma - surgery</topic><topic>liposarcoma</topic><topic>Magnetic Resonance Imaging</topic><topic>Middle Aged</topic><topic>Neoplasm Invasiveness - diagnosis</topic><topic>Occipital Bone - pathology</topic><topic>Parietal Bone - pathology</topic><topic>parosteal lipoma</topic><topic>skull</topic><topic>Subcutaneous Tissue</topic><topic>Tomography, X-Ray Computed</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MURAKAMI, Mamoru</creatorcontrib><creatorcontrib>HIRAI, Makoto</creatorcontrib><creatorcontrib>SAKAKIBARA, Takehiko</creatorcontrib><creatorcontrib>YAMAKI, Tarumi</creatorcontrib><creatorcontrib>KUSUZAKI, Katuyuki</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Neurologia medico-chirurgica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MURAKAMI, Mamoru</au><au>HIRAI, Makoto</au><au>SAKAKIBARA, Takehiko</au><au>YAMAKI, Tarumi</au><au>KUSUZAKI, Katuyuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Skull Parosteal Lipoma with Reactive Hyperostosis: A Case Report</atitle><jtitle>Neurologia medico-chirurgica</jtitle><addtitle>Neurol. Med. Chir.(Tokyo)</addtitle><date>2014</date><risdate>2014</risdate><volume>54</volume><issue>4</issue><spage>314</spage><epage>316</epage><pages>314-316</pages><issn>0470-8105</issn><eissn>1349-8029</eissn><abstract>A 50-year-old female presented with more than 20-year history of a large subcutaneous mass in the left parieto-occipital portion. Magnetic resonance (MR) imaging revealed the lipomatous mass to show a high signal intensity in both T1- and T2-weighted images. A part of the lipomatous lesion progressed into the underlying hyperostosis and skull. The preoperative diagnosis was skull invasion of a well-differentiated liposarcoma. The tumor was removed completely, including the underlying hyperostosis and skull. Microscopy confirmed a lipoma without any lipoblasts, which was firmly attached to the reactive hyperostosis, and islands of lipoma were involved in the underlying hyperostosis and skull cortex. A pathological diagnosis of parosteal lipoma with reactive hyperostosis was made. Long-term progression of parosteal lipoma may cause to involve the underlying hyperostosis and skull, and led to the diagnosis of invasion of a malignant tumor on MR imaging.</abstract><cop>Japan</cop><pub>The Japan Neurosurgical Society</pub><pmid>24162239</pmid><doi>10.2176/nmc.cr2012-0290</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Case Report Diagnosis, Differential Disease Progression Female Head and Neck Neoplasms - complications Head and Neck Neoplasms - pathology Head and Neck Neoplasms - surgery Humans hyperostosis Hyperostosis - etiology Lipoma - complications Lipoma - pathology Lipoma - surgery liposarcoma Magnetic Resonance Imaging Middle Aged Neoplasm Invasiveness - diagnosis Occipital Bone - pathology Parietal Bone - pathology parosteal lipoma skull Subcutaneous Tissue Tomography, X-Ray Computed |
| title | Skull Parosteal Lipoma with Reactive Hyperostosis: A Case Report |
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