Cutaneous horn is a conical hyperkeratotic projection of the skin composed of compact keratin. A wide range of pathologic conditions may be found at its base, including a significant proportion of malignant tumors. A notable, giant cutaneous horn uncovering a keratoacanthoma/well-differentiated squamous cell carcinoma is presented, highlighting the importance of histopathological examination to...

Mucocele is a common salivary gland disorder that can appear in the lacrimal sac, paranasal sinuses, oral cavity, appendix, or gall bladder. These lesions occur due to mucous accumulation resulting from the alteration of minor salivary glands. Lower lip is the most common site of occurrence of these lesions in the oral cavity and most probable cause is trauma or habit of lip biting. Diagnosis i...

Retrospective study of 189 cases of lower lip cancer treated from 1996-2000 is done. There were 69% males and 31% females. Median age was 66.8 years. 84.4% of patients were with tumors stage I-II. Surgical treatment was performed in 83.6% of patients. In all operated cases was squamous cell carcinoma as verrucous tumor in 17.4%, as exophytic in 46% and as ulcerative in 36.6%. There were differe...

The Mucocele or Mucus Extravasation phenomenon or mucus escape reaction is a common benign lesion of the oral cavity which most commonly results from the rupture of a salivary gland ducts or an alternation of minor salivary glands due to accumulation of mucus into the surrounding soft tissues. This may results from the local trauma to the salivary ducts that can be produced by lip or cheek bitt...