BACKGROUND: Melkersson-Rosenthal syndrome (MRS) is a rare neuro-mucocutaneous disorder characterized by recurrent edema, facial palsies, and nerve dysfunctions often associated with the plicata tongue. Although the etiology of MRS is not well understood, there is growing evidence suggesting an autoimmune involvement.
METHODS: This paper presents a case report of a 25-year-old male with MRS as the initial symptom, followed by temporomandibular joint osteoarthritis (TMJ-OA). A comprehensive diagnosis and multidisciplinary treatment approach including surgery, local injections, and oral medication were implemented, resulting in a favorable prognosis.
CONCLUSIONS: These findings support the hypothesis that MRS is a systemic granulomatous disease caused by autoimmunity, which may also influence the occurrence and development of TMJ-OA through immune-related mechanisms. This study emphasizes the significance of systemic immune regulation in the treatment of patients with MRS and TMJ-OA comorbid conditions.

BACKGROUND: Granulomatous cheilitis is a rare disorder characterized by recurrent, idiopathic, and painless lip swelling. The diagnosis is proven by histopathological examination. The unknown aetiology and poorly understood underlying mechanism contribute to the difficulty in establishing an effective treatment. This case study proposes the effectiveness of radiofrequency therapy in the management of refractory granulomatous cheilitis.
METHODS: A 68-year-old patient presented with hypertrophy and swelling of the lower lip, and a biopsy revealed actinic cheilitis. The patient underwent lip shaving and an advancement mucosal flap, and definitive histologic examination confirmed the diagnosis of granulomatous cheilitis. No other signs of orofacial granulomatosis were observed, and the complementary aetiological study was negative for systemic disease. The lip swelling reappeared and persisted, which interfered with the quality of life. Hence, radiofrequency therapy was performed in the submucosal and subdermal layers of the lip, resulting in significant aesthetic and functional improvement and no further relapses after five years.
CONCLUSIONS: The management of granulomatous cheilitis is challenging. The current mainstay treatment is corticotherapy or reduction cheiloplasty in severe cases. Radiofrequency has potential as a treatment option in debilitating macrocheilia, presenting worthy long-lasting functional and aesthetical results, with minimal morbidity.

Melkersson-Rosenthal syndrome is a rare condition of unknown etiology. It is characterized by a classical triad of symptoms: relapsing facial and lip swelling, facial palsy and a fissured tongue. We report the case of a 29-year-old female patient who presented with the above-mentioned symptoms of Melkersson-Rosenthal syndrome. However, clinical examination revealed an exceptional manifestation, which is the gingival hyperplasia. The symptoms were partially managed with systemic steroids and surgical resection of gingival hyperplasia. The most significant finding to emerge from our case is that gingival enlargement can be identified as a rare clinical feature of the MRS disease, which is confirmed difficult to be managed.

Melkersson-Rosenthal syndrome (MRS) is a rare neuro-mucocutaneous condition that presents with orofacial swelling, facial paralysis, and a fissured tongue. These classic triad of symptoms, however, very rarely present simultaneously. The symptoms are often seen alone or in pairs and appear at any stage in life. Although the etiology of this condition is unknown, various contributing factors have been suggested including infections, immune deficiencies, stress, and genetic predispositions. We present a case of a 23-year-old female patient who has a longstanding history of MRS, anxiety, and depression, and who attempted to overdose on prescription medications due to suicidal ideations.

Orofacial granulomatosis is a condition that manifests clinically as painless labial enlargement, perioral and mucosal edema, oral ulcers, and gingivitis. It is characterized by non-necrotizing granulomatous inflammation of the oral and maxillofacial region. When the swelling only affects the lips, the pathology is called Miescher\'s granulomatous cheilitis; however, when it also causes facial paresis and lingua plicata, it is known as Melkersson-Rosenthal syndrome. We report a case that was successfully treated with a combination of a local (intralesional) steroid, a systemic antibiotic, and a systemic steroid. After 6 months of therapy, we observed improvement in gingival hyperplasia and buccal mucosa and lip edema.

Melkersson-Rosenthal syndrome (MRS) is a neuromucocutaneous disease of unknown pathogenesis. With this communication, we describe a case of a 26-year-old woman with complete MRS in whom Mycolicibacterium fortuitum was detected in the swelling lip biopsy by next- generation sequencing. The patient\'s symptoms were slightly improved after intralesional corticosteroid injection combined with broad-spectrum antibiotics, while they were significantly improved after further treatment of dental caries and removal of the residual root. This case provides insight into the possible microbial infection pathogenesis of MRS, and M. fortuitum was speculated to be related to granulomatous and neuronal disorders, most probably from odontogenic origin.

Melkersson-Rosenthal syndrome (MRS) is an uncommon neuro-mucocutaneous disease, clinically characterized by a triad of recurrent facial palsy, orofacial swelling, and fissured tongue. This report presents the case of a 38-year-old female diagnosed with MRS based on its three clinical features. A corticosteroid (1 mg/kg/day of oral prednisolone) was prescribed for a week, and then tapered off over two weeks by gradually lowering the dose. Regular annual long-term follow-ups were requested to monitor the disease activity.

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Granulomatous cheilitis or Miescher\'s cheilitis is a rare granulomatous disorder defined by recurrent lip swelling or edema of other facial soft tissues. Histopathology shows non-caseous granulomas and multinucleated giant cells. The exact etiology is unknown, although genetic background, immunological irregularities, and systemic or infectious diseases contribute to the onset of disease. There are no treatment guidelines. The usual treatment options include systemic or intralesional corticosteroids, a spectrum of antibiotics, and immunosuppressants. A 63-year-old patient presenting with lip swelling and simultaneous swelling of other facial soft tissues was diagnosed with granulomatous cheilitis. The symptoms occurred 3 weeks after SARS-CoV-2 infection. Initial treatment with systemic corticosteroids and antihistamines was inadequate. Here we report successful treatment with a combination of doxycycline and metronidazole.