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Sabhalok et al.                                                                                                                                                                   Epidermoid and dermoid cyst removal

           The epidermoid cyst rarely discloses malignancy,   Conflicts of interest
           but isolated cases of premalignant and malignant   There are no conflicts of interest.
           conditions (Bowen’s disease, Paget’s disease, and
           squamous cell carcinoma) have been found in their   Patient consent
                          [15]
           walls. Ozan et al.  and López-Ríos et al. [16]  described
           a patient with basal cell carcinoma arising in the wall   All involved patients gave their consent forms.
           of an epidermoid cyst. Kronish and Dortzbach  [17]
           presented  a  case  report  stating  that  basal  cell   Ethics approval
           carcinoma originated from an epidermoid cyst in which   This study was approved by the Ethical Review Committee
           they found nests of basal cell carcinoma connected   of D. Y. Patil Dental College and Hospital.
           with the epidermoid cyst. A deep dermoid cyst in
           the upper eyelid is not generally detected until they   REFERENCES
           increase in size. Precise diagnosis and surgical
           removal is important because cyst growth can cause   1.   Jham BC, Duraes GV, Jham AC, Santos CR. Epidermoid cyst of the
                                                                 floor of the mouth: a case report. J Can Dent Assoc 2007;73:525-8.
           proptosis, diplopia and can restrict eye movement. [18,19]    2.   Pereira CM, Gasparetto PF, de Lucena Botelho T. Atypical appearance
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           and airway compromise. In addition, it can become     epidermoid cyst of the floor of the mouth: Radiology-histopathology
           infected.  In our case series, the most common        correlation. Qatar Med J 2014;2014:12-6.
                    [3]
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                                                                 AC, de Mendonça EF. Epidermoid cyst: highlights on diagnosis and
                                                                 magnetic resonance imaging features. Rev odonto cienc 2010;25:204-7.
           In recent literature, we could find no reports related to   5.   Sahoo NK, Choudhary AK. Dermoid cyst of floor of mouth: a case
           orbicularis oris muscle fusion defects seconadary to   report. Natl J Med Dent Res 2012;1:24-30.
                          [8]
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           of cysts mostly affect children, special caution and care   mouth--a case report. Eur Arch Otorhinolaryngol 2002;259:60-2.
           should be applied regarding the precise diagnosis of the   7.   Veselinović D, Krasić D, Stefanović I, Veselinović A, Radovanović
           type of tumour and its accurate localization. Our case   Z, Kostić A, Cvetanović M. Orbital dermoid and epidermoid cysts:
                                                                 case study. Srp Arh Celok Lek 2010;138:755-9.
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           located in the orbicularis oris region. The cyst should   defect in the upper lip. Case Rep Otolaryngol 2014;2014:540910.
           be completely removed, with minimal trauma and a   9.   De Ponte FS, Brunelli A, Marchetti E, Bottini DJ. Sublingual epidermoid
           satisfactory aesthetic effect. [8,17,18]              cyst. J Craniofac Surg 2002;13:308-10.
                                                              10.  Gandhi N, Syed NA, Alen R. Dermoid cyst. Available from: http://
           Dermoid cysts  may increase in size, leak and cause   www.EyeRounds.org/cases/115-dermoid-cyst.htm. [Posted July 26,
           inflammation, and thus, it is recommended that even   2010; Last accessed October 25, 2016].
           asymptomatic cysts should be removed. [19]  The reason   11.  Wani I, Jawaid H, Mir SR, Wani AM, Shah PS, Peerzada AH, Malik
                                                                 S, Teli B, Dar GM. Giant epidermoid cysts. OA Case Rep 2013;2:65.
           for early excision is to prevent incidence of secondary   12.  Venus MR, EltiganiI EA, Fagan JM. Just another sebaceous cyst?
           infection. The recurrence rate after excision of an   Ann R Coll Surg Engl 2007;89:1-3.
           infected cyst is 20% of all cases reported. [20]   13.  Louis PJ, Hudson C, Reddi S. Lesion of floor of the mouth. J Oral
                                                                 Maxillofac Surg 2002;60:804-7.
           While dealing with scalp lesions, as well as other   14.  Erol K, Erkan KM, Tolga D, Bengu C. Epidermoid cyst localized in
                                                                 the palatine tonsil. J Oral Maxillofac Pathol 2013;17:148.
           cutaneous lesions of the head and neck region,     15.  Ozan F, Polat HB, Ay S, Goze F. Epidermoid cyst of the buccal
           differential diagnosis of keratinous cysts should be kept   mucosa: a case report. J Contemp Dent Pract 2007;8:90-6.
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           risk of recurrence compared to lipomas and certain other   17.  Kronish JW, Dortzbach RK. Upper eyelid crease surgical approach
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                                                                 in head and neck. Indian J Otolaryngol Head Neck Surg 2003;55:128-30.
           Financial support and sponsorship                  21.  Sabhlok S, Kalele K, Phirange A, Kheur S. Congenital giant keratinous
                                                                 cyst mimicking lipoma: case report and review. Indian J Dermatol
           None.                                                 2015;60:637.

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