PD-1: programmed cell death protein

Department of Oral Medicine, Diagnosis and Radiology, Bharati Vidyapeeth Deemed University Dental College, Sangli, Maharashtra, India Department of Prosthodontics, Bharati Vidyapeeth Deemed University Dental College, Sangli, Maharashtra, India Department of Periodontology, Bharati Vidyapeeth Deemed University Dental College, Sangli, Maharashtra, India Department of Oral and Maxillofacial Surger...

The terms oral lichenoid reactions or oral lichenoid lesions refer to lesions histologically and clinically similar to oral lichen planus, though with the particularity that in these cases the underlying cause is identifiable. In addition, these lesions are described according to the causal factor involved, including alterations resulting from direct contact with dental restoration materials, d...

OBJECTIVE To report the first case of duloxetine hydrochloride (DH)-induced oral lichenoid drug reaction (OLDR). CLINICAL PRESENTATION AND INTERVENTION A 57-year-old male patient presented with painful ulcerative lesions on the bilateral buccal mucosa of 2-year duration. The patient was on multiple drug therapy for his systemic ailments. After thorough evaluation for possible medical ailments...

Introduction Dental materials are o en suspected to be the causative agent in contact allergic reactions [1, 2, 3, 4]. However, typical morphological correlates are not always found in the oral mucosa. Allergic contact stomatitis generally presents clinically as in ltrated erythema with or without erosions. Having said that, contact allergies occasionally present as lichenoid lesions in the ora...

Oral lichen planus (OLP) and oral lichenoid reaction (OLR) are clinically and histopathologically similar diseases. Whereas OLP is a consequence of T cell mediated autoinflammatory process to a still unknown antigen, OLR might be caused by drugs, dental restorative materials and dental plaque. Pubmed was searched and 24 publications published over the last three years regarding etiology, diagno...

BACKGROUND Cutaneous dermatoses and malignancies have occurred at the sites of vaccines. PURPOSE To describe a man who developed a lichenoid dermatitis at the pneumococcal vaccine injection site and to review cutaneous dermatoses and malignancies occurring at vaccination sites. METHODS PubMed was used to search the following terms, separately and in combination: adverse, condition, cutaneou...

BACKGROUND Interface dermatitis (ID) refers to a pattern of skin reaction characterized by an inflammatory infiltrate that appears to obscure the dermo-epidermal junction when observed at low power examination and referred to as lichenoid tissue reaction. A wide range of inflammatory skin diseases exhibits interface change with considerable overlap of histological features. The aim of the prese...

Lichenoid drug reaction is termed as a condition of the oral cavity having an identifiable etiology, which is clinically and histologically similar to oral lichen planus. A number of drugs have been described as a causative factor of those reactive lesions. The aim of this study is to conduct a systematic review on the role of causative drugs in oral lichenoid lesions (OLLD) and the clinicopath...