Differential diagnosis of an oral mucosal pigmented lesion: a case of essential melanosis

O'hana, Diane; Barthélémy, Isabelle; Baudet-Pommel, Martine; Dang, N. Pham; Devoize, Laurent

doi:10.1051/mbcb/2017003

Cited by 2 publications

(2 citation statements)

References 11 publications

(6 reference statements)

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“…Histological features of potentially malignant pigmented lesions were multifarious. We can find hyperpigmentation in the basal layers, proliferation of dendritic melanocytes with or without atypia, proliferation of clear cell [3,13,[15][16][17]19]. These data are found in Umeda's gradual enlarging pattern of oral malignant melanoma.…”

Section: Discussionsupporting

confidence: 53%

Oral malignant melanoma: History of malignant degeneration of a pigmented lesion

Mellouli

Sioud

Garma

et al. 2019

J Oral Med Oral Surg

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Introduction: Oral malignant melanoma (OMM) is a rare malignant lesion of the oral mucosa. It accounts for 0.5% of oral cavity cancers and less than 1% of all melanomas. Most cases arise on the palate or gingiva. OMM is caused by unknown factors. Benign pigmentation may precede the neoplasm by several years. The malignant transformation of benign melanosis is poorly understood. Observation: The aim of this work is to present a new clinical case of oral malignant melanoma which appeared on benign melanosis with a brief review of the literature. A 37-year-old woman presented with a blackish pigmented plaque that covered the hard palate and vestibular maxillary gingiva and a soft, friable 2 cm nodule with ulcerated surface next to the 11, 12 and 13. Fifteen years ago, the patient underwent a biopsy that was in favor of benign melanosis. Unfortunately, the patient was followed for one year and then was lost. Recently, in front of the rapidity of the extension of the lesion, she came again. After biopsy, a final diagnosis of OMM is retained. Commentaries: OMM is often asymptomatic. It presents usually as a 1.5–4 cm, blackish grey, irregular, flat or nodular lesion. The neoplasm can appear on apparently normal oral mucosa and may be preceded by benign pigmented lesions. Few articles discussed malignant transformation of benign melanosis. OMM is characterized by its poor prognosis. The treatment of choice for OMM remains surgery with wide clear margins. Conclusion: Close monitoring is needed to detect signs of transformation and to early diagnose melanoma.

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Section: Discussionsupporting

confidence: 53%

Oral malignant melanoma: History of malignant degeneration of a pigmented lesion

Mellouli

Sioud

Garma

et al. 2019

J Oral Med Oral Surg

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“…The examination details such as color, number, location, distribution, appearance and associated features are important in formulating differential diagnosis. [8][9][10] Majority of oral mucosal pigmentations are diagnosed through clinical presentation and symptoms. This includes amalgam tattoo, localized argyria, smoker's palate, drug induced pigmentation are confirmed by clinical details.…”

Section: Introductionmentioning

confidence: 99%

Clinical utility of dermoscopy on diagnosing pigmented papillary fungiform papillae of the tongue: A systematic review

Surboyo

Santosh

Hariyani

et al. 2021

Journal of Oral Biology and Craniofacial Research

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Introduction:The practice of dermoscopy in dental and oral examination is low due to less popularity and not well established of the diagnostic tool in dental practice. The dermoscopy examination provides a specific dermoscopes details for pigmented papillary fungiform of tongue (PPFT) as cobblestone appearance and rose-petal appearance. With this dermoscopes details serves as a non-invasive diagnostic tool and prevents biopsy procedure.Objective: We performed a systematic review to evaluate the published papers related to pigmented papillary fungiform on the tongue, aiming to understand the diagnostic role of dermoscopy examination in pigmented papillary fungiform. Data synthesis: Initial result was 136 studies. Final exclusion of 27 articles was made based on the following factors: reports with no clinical images, studies that did not confirm the diagnosis of PPFT and studies that did not use the dermoscopes details. Finally, seventeen studies with nineteen cases, reported of pigmented papillary fungiform of the tongue. Six studies (consist six cases) reported the dermoscopy and histopathology diagnosis of pigmented papillary fungiform, eleven studies (consist thirteen cases) reported only the dermoscopy. The dermoscopy examination presented cobblestone appearance is 47.37% and rose petal appearance is 52.63%. The comparation study by histopathology diagnosis was done, revealed no specific appearances. Conclusions: The clinical appearance and dermoscopy is the key for diagnosis of the papillary fungiform on the tongue. Further research is needed for determining the etiology and predisposing factor in papillary fungiform so that the possibility of developing this condition can be predicted and proper treatment could be performed.

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Differential diagnosis of an oral mucosal pigmented lesion: a case of essential melanosis

Cited by 2 publications

References 11 publications

Oral malignant melanoma: History of malignant degeneration of a pigmented lesion

Oral malignant melanoma: History of malignant degeneration of a pigmented lesion

Clinical utility of dermoscopy on diagnosing pigmented papillary fungiform papillae of the tongue: A systematic review

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