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Case Report Giant Lipoma of Posterior Cervical...
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Case Report Giant Lipoma of Posterior Cervical Region Mahendra Singh, 1,2 Ashish Saxena, 3 Lovekesh Kumar, 3 Snehal K. Karande, 3 and Yuvraj Kolhe 3 1 Department of Surgery, AIIMS, Jodhpur 342005, India 2 AIIMS Residential Complex, Basni, Jodhpur 342005, India 3 Department of Surgery, Hindu Rao Hospital, New Delhi 110007, India Correspondence should be addressed to Mahendra Singh; [email protected] Received 26 July 2014; Accepted 24 September 2014; Published 2 October 2014 Academic Editor: Baran Tokar Copyright © 2014 Mahendra Singh et al. is is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Lipomas are the slow growing soſt tissue tumors of benign nature. ey commonly grow on torso and extremities but may also develop in head and neck region. Rarely lipomas can grow to acquire gigantic proportions, turning into an entity termed as giant lipoma. Such lipomas are entitled to immediate attention as they have a relatively high malignant potential. We report a rare case of giant cervical lipoma in an elderly gentleman, followed by a brief discussion on diagnosis and management of the disorder. 1. Introduction Lipoma is a slow growing benign tumor of adipose tissue and can occur anywhere in the body. Hence, it is also known as universal or ubiquitous tumor [1]. Usually, lipomas develop on the extremities and trunk. However 13% of lipomas grow in the head and neck region [2]. Lipomas are usually small solitary lesions and rarely grow to an exceptionally large size. A lipoma is considered giant when it is greater than 10 cm in any dimension or weighs more than 1000 gm [3]. We hereby report a rare case of giant posterior cervical lipoma which was around 38 cm in greatest dimension. is appears to be by far the largest lipoma yet reported in the head and neck region, to the best of our knowledge. 2. Case Report A 62-years-old gentleman reported in surgical OPD with a giant lump hanging from the leſt side of neck. e swelling was present for the past 20 years. It was insidious in onset and was of small size when he noticed it first. It gradually increased in size to attain the present gigantic proportions. ere was no history of pain and sudden change in size of swelling. ere was not any history of fever, loss of appetite, loss of weight, difficulty in swallowing, difficulty in breathing, upper limb weakness, or voice change. Personal and family histories were unremarkable. General and systemic exami- nations were unremarkable. Upon local examination, a huge lump was evident hanging upon anterior aspect of the leſt side of chest. It was approximately 38 cm × 18 cm × 15 cm in dimensions and was extending from the leſt ramus of mandible to the leſt hypochondrium (Figure 1). Its root was attached to the posterior triangle of neck and from here the mass was hanging freely. e surface appeared to be lobulated. e overlying skin was normal except for an irregular desquamated area of size 8 cm × 5 cm in the distal most portion of lump. Serous fluid was oozing from this desquamated patch. Upon palpation the lump was neither warm nor tender. It was soſt in consistency. e surface was lobulated. e lump was not fixed to the overlying skin and surrounding structures. Leſt carotid pulsations were normally felt. Per oral examination was essentially within normal limits. ere was no regional lymph node enlarge- ment. Sensory and motor examination of leſt upper limb was normal. A provisional diagnosis of lipoma was made. Routine investigations were unremarkable. FNAC from the swelling was suggestive of a benign fibrolipoma. A contrast enhanced CT scan of neck and thorax region was obtained to rule out any suspicious foci of malignant trans- formation in the mass. e mass however turned out to be essentially benign and showed no infiltration of surrounding vital structures in the neck. e patient was taken up for Hindawi Publishing Corporation Case Reports in Surgery Volume 2014, Article ID 289383, 2 pages http://dx.doi.org/10.1155/2014/289383
Transcript of Case Report Giant Lipoma of Posterior Cervical...
Case ReportGiant Lipoma of Posterior Cervical Region
Mahendra Singh,1,2 Ashish Saxena,3 Lovekesh Kumar,3
Snehal K. Karande,3 and Yuvraj Kolhe3
1 Department of Surgery, AIIMS, Jodhpur 342005, India2 AIIMS Residential Complex, Basni, Jodhpur 342005, India3 Department of Surgery, Hindu Rao Hospital, New Delhi 110007, India
Correspondence should be addressed to Mahendra Singh; [email protected]
Received 26 July 2014; Accepted 24 September 2014; Published 2 October 2014
Academic Editor: Baran Tokar
Copyright © 2014 Mahendra Singh et al. This is an open access article distributed under the Creative Commons AttributionLicense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properlycited.
Lipomas are the slow growing soft tissue tumors of benign nature. They commonly grow on torso and extremities but may alsodevelop in head and neck region. Rarely lipomas can grow to acquire gigantic proportions, turning into an entity termed as giantlipoma. Such lipomas are entitled to immediate attention as they have a relatively high malignant potential. We report a rare caseof giant cervical lipoma in an elderly gentleman, followed by a brief discussion on diagnosis and management of the disorder.
1. Introduction
Lipoma is a slow growing benign tumor of adipose tissue andcan occur anywhere in the body. Hence, it is also known asuniversal or ubiquitous tumor [1]. Usually, lipomas developon the extremities and trunk. However 13% of lipomas growin the head and neck region [2]. Lipomas are usually smallsolitary lesions and rarely grow to an exceptionally large size.A lipoma is considered giant when it is greater than 10 cm inany dimension or weighs more than 1000 gm [3]. We herebyreport a rare case of giant posterior cervical lipomawhichwasaround 38 cm in greatest dimension.This appears to be by farthe largest lipoma yet reported in the head and neck region,to the best of our knowledge.
2. Case Report
A 62-years-old gentleman reported in surgical OPD with agiant lump hanging from the left side of neck. The swellingwas present for the past 20 years. It was insidious in onsetand was of small size when he noticed it first. It graduallyincreased in size to attain the present gigantic proportions.There was no history of pain and sudden change in size ofswelling. There was not any history of fever, loss of appetite,loss of weight, difficulty in swallowing, difficulty in breathing,upper limb weakness, or voice change. Personal and family
histories were unremarkable. General and systemic exami-nations were unremarkable. Upon local examination, a hugelump was evident hanging upon anterior aspect of the leftside of chest. It was approximately 38 cm × 18 cm × 15 cmin dimensions and was extending from the left ramus ofmandible to the left hypochondrium (Figure 1). Its root wasattached to the posterior triangle of neck and from herethe mass was hanging freely. The surface appeared to belobulated. The overlying skin was normal except for anirregular desquamated area of size 8 cm × 5 cm in the distalmost portion of lump. Serous fluid was oozing from thisdesquamated patch. Upon palpation the lump was neitherwarm nor tender. It was soft in consistency. The surfacewas lobulated. The lump was not fixed to the overlyingskin and surrounding structures. Left carotid pulsations werenormally felt. Per oral examination was essentially withinnormal limits. There was no regional lymph node enlarge-ment. Sensory and motor examination of left upper limb wasnormal. A provisional diagnosis of lipoma was made.
Routine investigations were unremarkable. FNAC fromthe swelling was suggestive of a benign fibrolipoma. Acontrast enhanced CT scan of neck and thorax region wasobtained to rule out any suspicious foci of malignant trans-formation in the mass. The mass however turned out to beessentially benign and showed no infiltration of surroundingvital structures in the neck. The patient was taken up for
Hindawi Publishing CorporationCase Reports in SurgeryVolume 2014, Article ID 289383, 2 pageshttp://dx.doi.org/10.1155/2014/289383
2 Case Reports in Surgery
Figure 1: Preoperative view of lipoma.
Figure 2: Lipoma after complete excision.
surgery after proper preanesthetic checkup. The mass wasexcised completely through an elliptical incision given belowthe left mandibular ramus and sent for histopathologicalexamination (Figure 2). Postoperative period was unevent-ful. Histopathology report confirmed the FNAC finding offibrolipoma. The patient was doing well until his last follow-up visit.
3. Discussion
Lipomas are typically slow growing tumors and only a fewgrow into themassive lump known as giant lipoma [3].Mech-anism behind such gigantic growth is unclear and is a matterof debate. A few studies have postulated the role of trauma,suggesting that blunt trauma can cause rupture of the fibroussepta and anchorage connections between the skin and deepfascia, allowing the adipose tissue to proliferate rapidly. Onetheory suggests that trauma-related fat herniation throughtissue planes creates so-called pseudolipomas. It has also beensuggested that trauma-induced cytokine release triggers pre-adipocyte differentiation and maturation [4]. Regardless ofthe mechanism, the main concern while dealing with a giantlipoma is to rule out malignancy. Liposarcoma is the mostcommon soft tissuemalignancy in the long standing lipomas;however, such occurrence is very rare. Histopathologicalfeatures of dedifferentiation are the hallmark of malignantchange in a benign lipoma. Dedifferentiated liposarcomasoccur most frequently in the sites in which there is a chance
of delayed diagnosis such as retroperitoneum. Thereforemalignant changes in giant lipomas are most commonlyencountered in the retroperitoneum [5]. Benign ormalignantnature of a lipomatous lesion has to be established by variousinvestigations such as ultrasonography, CT scan, MRI scan,and fine needle aspiration cytology [2, 5]. In our case, benignnature of the lipoma was confirmed by FNAC and contrastenhanced CT scan of neck and thorax.
The treatment of choice for the lipoma remains opensurgical excision [6]. It is a relatively straight forward proce-dure, considering the encapsulated nature of lipoma. Bluntdissection along with an optimal hemostasis usually servesthe purpose and preserves the surrounding structures as well.In the end, a careful histopathological examination of theexcised specimen is necessary to rule out malignancy and toensure the longevity of patient [6].
Ethical Approval
Written informed consent to publish the paper was obtainedfrom the patient.
Conflict of Interests
The authors declare that there is no conflict of interestsregarding the publication of this paper.
Authors’ Contribution
Mahendra Singh assisted the surgeon and prepared the paper.Ashish Saxena helped in preparing the paper. LovekeshKumar is the operating surgeon. Snehal K. Karande andYuvraj Kolhe did the literature search.
References
[1] C. Davis Jr. and J. G. Gruhn, “Giant lipoma of the thigh,”Archives of Surgery, vol. 95, no. 1, pp. 151–156, 1967.
[2] M. H. A. El-Monem, A. H. Gaafar, and E. A. Magdy, “Lipomasof the head and neck: presentation variability and diagnosticwork-up,” Journal of Laryngology and Otology, vol. 120, no. 1,pp. 47–55, 2006.
[3] E. Copcu and N. Sivrioglu, “Posterior cervical giant lipomas,”Plastic and Reconstructive Surgery, vol. 115, no. 7, pp. 2156–2157,2005.
[4] M. Signorini and G. L. Campiglio, “Posttraumatic lipomas:where do they really come from?” Plastic and ReconstructiveSurgery, vol. 101, no. 3, pp. 699–705, 1998.
[5] L. Mnif, A. Amouri, M. A. Masmoudi et al., “Giant lipoma ofthe transverse colon: a case report and review of the literature,”Tunisie Medicale, vol. 87, no. 6, pp. 398–402, 2009.
[6] B. Allen, C. Rader, and A. Babigian, “Giant lipomas of the upperextremity,”Canadian Journal of Plastic Surgery, vol. 15, no. 3, pp.141–144, 2007.
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