Hailey-Hailey disease, or familial benign chronic pemphigus, is an autosomal dominant genodermatosis. Disease symptoms may contribute to an adverse impact on quality of life and functional limitation and disability. As Hailey-Hailey disease is chronic and frequently recalcitrant to treatment, multiple therapeutic approaches, including surgical options, have been attempted. We describe here thre...

Epidermolysis bullosa (EB) is a congenital genodermatosis, which affects mainly skin and occasionally other organs [1]. Lifelong blistering and erosion of the skin and mucous membrane, caused by mechanical trauma, threaten EB patients [1]. The most common cause of death is metastasizing squamous cell carcinoma [2]. EB is subdivided into mainly three categories by the location of tissue separati...

Muir-Torre syndrome is a genodermatosis in which multiple internal malignancies are associated with cutaneous sebaceous tumours and kerato-acanthomas. A 57-year-old man presented with multiple sebaceous tumours, kerato-acanthomas, verrucous carcinoma of the nose, renal cell and transitional cell carcinomas of the left kidney, adenoma of the colon and a positive family history of colon carcinoma...

Dermatological diseases, besides involving the skin and its appendages may also involve the oral cavity. The lesions of oral cavity in dermatological disorders deserve special attention, considering that they may be the presenting clinical feature or the only sign of these disorders. Moreover, oral mucosal lesions in skin diseases can be life-threatning and also affect the quality of life in te...

Lamellar ichthyosis (LI), considered an autosomal recessive monogenic genodermatosis, has an incidence of approximately 1 in 250,000. Usually associated with mutations in the transglutaminase gene ( TGM1), mutations in six other genes have, less frequently, been shown to be causative. Two siblings, born in a collodion membrane, presented with fish like scales all over the body. Karyotyping reve...

Incontinentia pigmenti (IP) is a genodermatosis with an X-linked dominant mode of inheritance, characterized by ectodermal, mesodermal, neurological, ocular, and dental manifestations. The purpose of this case study was to report the oral and dental manifestations of an IP case in a Venezuelan pediatric patient. A 9 year-old Venezuelan girl was evaluated. She showed macular pigmented lesions in...

Muir-Torre syndrome (MTS) is a rare genodermatosis, diagnosed by the presence of sebaceous neoplasms along with an internal malignancy, most commonly colorectal carcinomas. MTS is most commonly caused by microsatellite instabilities of the hMLH1 and hMSH2 mismatch repair genes, and is rarely caused by mutations of the hMSH6 gene. We describe the case of a 56-year-old male who presented with an ...

Kindler syndrome is a rare autosomal recessive genodermatosis characterized by trauma-induced acral blisters in infancy and childhood, photosensitivity, and progressive poikiloderma. Other clinical features include chronic erosive gingivitis, dysphagia, esophageal and urethral strictures, ectropion, and an increased risk of mucocutaneous squamous cell carcinoma. We describe a patient with Kindl...

IP: incontinentia pigmenti NFkB: nuclear factor kB TNF: tumor necrosis factor INTRODUCTION Incontinentia pigmenti (IP; Bloch-Sulzberger syndrome) is an X-linked dominant genodermatosis that can have several cutaneous, dental, skeletal, neurologic, and ocular manifestations, including retinal detachment, seizures, paralysis, developmental delay, hair loss, and abnormal dentition. Lethal for affe...

In conclusion, BSI is a rare genodermatosis belonging to the group of ARCI. It has a series of clinical and diagnostic peculiarities that we should be aware of. Although the diagnosis is usually clinical, confirmation can only be made by genetic analysis of the TGM-1 gene. This is the only gene implicated in this condition, but its mutations are also the most prevalent in other forms of ARCI, a...