J Korean Assoc Oral Maxillofac Surg.  2014 Oct;40(5):253-257. 10.5125/jkaoms.2014.40.5.253.

Adenoid cystic carcinoma presenting as an ulcer on the floor of the mouth: a rare case report

• Khan S
• Agwani K
• Bhargava P
• Kumar SP

• KMID: 2005457
• DOI: http://doi.org/10.5125/jkaoms.2014.40.5.253

Abstract

Adenoid cystic carcinoma is a rare epithelial tumour, and comprises about 1% of all malignant tumours of the oral and maxillofacial region. It is a malignant tumour which may develop in the trachea, bronchus, lungs or mammary glands, in addition to the head and neck region. Occurrences in the head and neck are mostly detected in the major salivary gland, oral cavity, pharynx and paranasal sinus where it presents as a slow growing firm nodular swelling. The aim of the article is to highlight the unique presentation of adenoid cystic carcinoma as a solitary ulcer on the floor of the mouth.

Keyword

Carcinoma; Adenoid cystic carcinoma; Oral cavity; Salivary gland neoplasms

MeSH Terms

Bronchi
Carcinoma, Adenoid Cystic*
Head
Lung
Mammary Glands, Human
Mouth*
Neck
Pharynx
Salivary Gland Neoplasms
Salivary Glands
Trachea
Ulcer*

Figure

• 

  Fig. 1 Solitary ulcer on the floor of the mouth.

• 

  Fig. 2 Orthopantomogram does not reveal any changes in the region of interest.

• 

  Fig. 3 Axial sections of an magnetic resonance imaging show T1-weighted images of a mass of medium intensity.

• 

  Fig. 4 Presence of uniform basaloid cells arranged in the form of solid islands (H&E staining, ×40).

• 

  Fig. 5 Wide excision of the lesion with hemimandibulectomy was completed.

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