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Rare Benign cystic teratoma in the parotid gland

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Mahmoud M. Gharaibeh M. M., Ahmed Al Wadiya A. A., Ahmad Gharaibeh A., Huda Hammad H.

European Journal of Clinical and Experimental Medicine

2020

issue 1

42-44

Introduction. A teratoma is a tumor developed of several different types of tissue, like hair, muscle, teeth or bone. Aim. Mature benign cystic teratomas are very rare in the salivary glands and just few cases were reported. Description of the case. A 13 years old female was presented to our dental clinic of Princes Basma Hospital in Irbid in north of Jordan, with a painless, insidious progressive swelling in left parotid region without any significant family and personal history. Parents were cancer phobic and nervous from the condition of their daughter, they were very confused. There was no pain or any history of trauma. It was present just inferior to left ear cartilage. The mass was of size 3x3cm, non-tender, fixed, soft to firm in consistency, having smooth surface. Conclusion. Teratoma in parotid region is an extremely rare entity. Lack of any pathognomonic feature, it is hard to diagnose preoperatively. Lumpectomy is advisable to remove the mass because the risk of damaging facial nerve in young patients and recurrence is rare. A definitive diagnosis is achieved after the histopathological study. Teratoma should be kept in account while evaluating a case of a soft tissue mass of parotid gland as a differential diagnosis.

Parotid pilomatrixoma: Diagnostic trap and management dilemma

100%

Abhishek Bhardwaj A., Sumeet Angral S., Sharath Chandra S., Manu Malhotra M., Madhu Priya M., Saurabh Varshney S., Arpana Singh A., Ritu Raj R.

European Journal of Clinical and Experimental Medicine

2020

issue 1

54-58

Introduction. Pilomatrixoma is a benign cutaneous adnexal neoplasm originating from the matrix cells of the hair follicles. Usually a slow growing and painless lesion, it must be considered in differential diagnosis of a preauricular swelling. Rapidly progressive lesion with skin fixity and missed subtle cytological features may lead to a misdiagnosis of parotid neoplasm resulting in management dilemma. Aim. This report emphasizes consideration of pilomatrixoma as a differential diagnosis in a similar clinical scenario, the role of frozen section during surgery and fascia lata interposition to prevent Frey’s syndrome. A brief review of literature is presented. Description of the case. We present a similar dilemmatic case of a 19 years old male with preauricular swelling. Based on cytology and image findings, a diagnosis of parotid neoplasm with possible malignancy was made. Surgical exploration revealed primarily a subcutaneous lesion with partial attachment to superficial surface of parotid. Lesion was excised with a cuff of normal parotid tissue. Frozen section confirmed it to be a nonmalignant lesion with possibility of pilomatrixoma. Fascia lata was interposed between parotid and thin skin flap to avoid gustatory sweating. Patient is on follow up for 6 months without recurrence or any complication. Conclusion. Pilomatrixomas can be misdiagnosed in case of lesions in subcutaneous plane in parotid region. In such cases, the differential diagnosis should include tumor and non-tumor lesions of skin and parotid gland. Importance of frozen section should also be kept in mind and the pathologist should be engaged at the time of surgical excision of the tumor. Interposition of soft tissue between parotid and thin skin flap helps prevent gustatory sweating in such cases. A high index of suspicion is needed for proper diagnosis and management of these lesions.

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2 European Journal of Clinical and Experimental Medicine

2 2020

1 Abhishek Bhardwaj A.

1 Ahmad Gharaibeh A.

1 Ahmed Al Wadiya A. A.

1 Arpana Singh A.

1 Huda Hammad H.

1 Madhu Priya M.

1 Mahmoud M. Gharaibeh M. M.

1 Manu Malhotra M.

1 Ritu Raj R.

1 Saurabh Varshney S.

1 Sharath Chandra S.

1 Sumeet Angral S.

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Rare Benign cystic teratoma in the parotid gland

Parotid pilomatrixoma: Diagnostic trap and management dilemma