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Atarbashi-Moghadam S, Atarbashi-Moghadam F, Sijanivandi S, Mokhtari S. Ameloblastoma associated with syndromes: A systematic review. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2019; 121:146-149. [PMID: 31336213 DOI: 10.1016/j.jormas.2019.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/12/2019] [Accepted: 07/15/2019] [Indexed: 01/20/2023]
Abstract
Odontogenic lesions have been described in several syndromes. Despite multiple reports of ameloblastoma's association with various syndromes, it has not been added to the diagnostic criteria for any syndrome. Thus, the aim of this systematic review was gathering such cases' data. An electronic search in PubMed Central's database was performed. The search strategy was limited to human studies (case reports and case series), full-text English articles published from first of January 1975 until the end of 2018. Irrelevant articles or articles with inadequate information were omitted. Associated syndrome, patients' age and sex, lesions' location, radiographic features, and treatment modality were collected and analyzed. Ameloblastoma was reported in association with Gorlin syndrome (6 cases), epidermal nevus syndrome (2 cases), Gardner syndrome (2 cases), Simpson-Golabi-Behmel syndrome (1 case), and Williams syndrome (1 case). The commonest associated syndrome was Gorlin syndrome (50%) with maxillary and female predilections. Both cases of epidermal nevus syndrome (ENS) were female with mandibular involvement. In syndromes that odontogenic lesions are one of the diagnostic criteria, it is important to rule out ameloblastic changes. Although the relationship between ameloblastoma and these syndromes is not well known, any related information may be helpful in understanding the pathogenesis and the nature of this neoplasm.
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Affiliation(s)
- S Atarbashi-Moghadam
- Department of Oral and Maxillofacial Pathology, Dental School of Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - F Atarbashi-Moghadam
- Department of Periodontics, 1st floor, Dental School of Shahid Beheshti University of Medical Sciences, Daneshjoo Blvd, Evin, Chamran HWY, Tehran, Iran.
| | - S Sijanivandi
- Research center, Dental School Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Mokhtari
- Education Development Office, School of dentistry, Tehran University of Medical Sciences, Tehran, Iran
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Khaliq MIU, Shah AA, Ahmad I, Hasan S, Jangam SS, Farah, Anwar. Keratocystic odontogenic tumors related to Gorlin-Goltz syndrome: A clinicopathological study. J Oral Biol Craniofac Res 2016; 6:93-100. [PMID: 27195205 PMCID: PMC4862113 DOI: 10.1016/j.jobcr.2015.09.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 09/04/2015] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND Assess clinicopathological features of patients with keratocystic odontogenic tumor (KCOT) associated with Gorlin-Goltz syndrome in our institution from 2004 to 2015. METHOD After histopathological analyses of KCOT related to Gorlin-Goltz syndrome, 7 patients were assessed. These patients presented a total of 15 primary and 2 recurrent KCOT. RESULTS All patients presented a multiple KCOT, and 13 lesions were located in mandible (77%) and 4 (23%) in maxilla. Most of the tumors presented a unilocular pattern (71%) and had tooth association (88%). Four patients (57%) were in the age group of 10-19 years and three patients (43%) were in the age group of 20-29 years. There were four male and three female patients. CONCLUSION KCOT is a frequent manifestation of Gorlin-Goltz syndrome and can be its first sign, mainly in young patients. The four patients presented with two lesions (57%) and three lesions in three patients (43%).
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Affiliation(s)
- Mohammed Israr Ul Khaliq
- Post Graduate Scholar, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Srinagar, India
| | - Ajaz A. Shah
- Professor and Head, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Srinagar, India
| | - Irshad Ahmad
- Associate Professor, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Srinagar, India
| | - Shahid Hasan
- Associate Professor, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Srinagar, India
| | - Sagar S. Jangam
- Assistant Professor, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Aurangabad, India
| | - Farah
- Junior Resident, Department of Oral and Maxillofacial Surgery, Govt. Dental College & Hospital, Srinagar, India
| | - Anwar
- Junior Resident, Department of Chest Medicine, SKIMS MC, Srinagar, India
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Ponti G, Pellacani G, Tomasi A, Sammaria G, Manfredini M. Skeletal stigmata as keys to access to the composite and ancient Gorlin-Goltz syndrome history: The Egypt, Pompeii and Herculaneum lessons. Gene 2016; 589:104-11. [PMID: 26794802 DOI: 10.1016/j.gene.2016.01.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 01/05/2016] [Accepted: 01/09/2016] [Indexed: 12/23/2022]
Abstract
There are several genetic diseases with a wide spectrum of congenital bone stigmata in association to cutaneous and visceral benign and malignant neoplasms. Gorlin-Goltz syndrome, also named nevoid basal cell carcinoma syndrome, is an autosomal dominant systemic disease with almost complete penetrance and high intra-familial phenotypic variability, caused by germline mutations of the gene PTCH1. The syndrome is characterized by unusual skeletal changes and high predisposition to the development of multiple basal cell carcinomas, odontogenic keratocysts tumors and other visceral tumors. The Gorlin syndrome, clinically defined as distinct syndrome in 1963, existed during Dynastic Egyptian times, as revealed by a costellation of skeletal findings compatible with the syndrome in mummies dating back to 3000years ago and, most likely, in the ancient population of Pompeii. These paleogenetic and historical evidences, together with the clinical and biomolecular modern evidences, confirm the quite benign behavior of the syndrome and the critical value of the multiple and synchronous skeletal anomalies in the recognition of these rare and complex genetic disease.
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Affiliation(s)
- Giovanni Ponti
- Department of Surgical, Medical, Dental and Morphological Sciences with Interest transplant, Oncological and Regenerative Medicine, Dermatology Unit, University of Modena and Reggio Emilia, Italy.
| | - Giovanni Pellacani
- Department of Surgical, Medical, Dental and Morphological Sciences with Interest transplant, Oncological and Regenerative Medicine, Dermatology Unit, University of Modena and Reggio Emilia, Italy
| | - Aldo Tomasi
- Department of Diagnostic Medicine, Clinical and Public Health, University of Modena and Reggio Emilia, Italy
| | - Giuliano Sammaria
- Department of Surgical, Medical, Dental and Morphological Sciences with Interest transplant, Oncological and Regenerative Medicine, Dermatology Unit, University of Modena and Reggio Emilia, Italy
| | - Marco Manfredini
- Department of Surgical, Medical, Dental and Morphological Sciences with Interest transplant, Oncological and Regenerative Medicine, Dermatology Unit, University of Modena and Reggio Emilia, Italy
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MacDonald DS. A systematic review of the literature of nevoid basal cell carcinoma syndrome affecting East Asians and North Europeans. Oral Surg Oral Med Oral Pathol Oral Radiol 2015; 120:396-407. [PMID: 26297395 DOI: 10.1016/j.oooo.2015.05.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 05/06/2015] [Accepted: 05/29/2015] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To compare, by systematic review, North European and East Asian consecutive case series of nevoid basal cell carcinoma syndrome (NBCCS). STUDY DESIGN A systematic review of the literature was performed for all consecutive case series of NBCCS, which included keratocystic odontgenic tumors (KCOTs) arising in North European and East Asian communities. The clinical and radiologically apparent features were identified and synthesized, and a meta-analysis was performed. RESULTS East Asian reports were significantly more "proband only" compared with North European reports. Significant differences between these 2 communities were observed for 5 of the 6 major features and 11 of the 27 minor features. With regard to the major NBCCS features, the North Europeans displayed significantly more frequent basal cell carcinomas, calcified falx cerebri, palmar and plantar pits, and a family history, whereas the East Asians displayed KCOTs significantly more frequently. With regard to minor features, East Asians displayed significantly more frequent cleft lips and palates and hypertelorism. CONCLUSIONS East Asians displayed multiple KCOTs and cleft lips and palates more frequently compared with North Europeans.
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Affiliation(s)
- David S MacDonald
- University of British Columbia, Chairman of the Division of Oral & Maxillofacial Radiology, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.
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Gurgel CAS, Buim MEC, Carvalho KC, Sales CBS, Reis MG, de Souza RO, de Faro Valverde L, de Azevedo RA, Dos Santos JN, Soares FA, Ramos EAG. Transcriptional profiles of SHH pathway genes in keratocystic odontogenic tumor and ameloblastoma. J Oral Pathol Med 2014; 43:619-26. [PMID: 24930892 DOI: 10.1111/jop.12180] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2014] [Indexed: 12/23/2022]
Abstract
BACKGROUND Sonic hedgehog (SHH) pathway activation has been identified as a key factor in the development of many types of tumors, including odontogenic tumors. Our study examined the expression of genes in the SHH pathway to characterize their roles in the pathogenesis of keratocystic odontogenic tumors (KOT) and ameloblastomas (AB). METHODS We quantified the expression of SHH, SMO, PTCH1, SUFU, GLI1, CCND1, and BCL2 genes by qPCR in a total of 23 KOT, 11 AB, and three non-neoplastic oral mucosa (NNM). We also measured the expression of proteins related to this pathway (CCND1 and BCL2) by immunohistochemistry. RESULTS We observed overexpression of SMO, PTCH1, GLI1, and CCND1 genes in both KOT (23/23) and AB (11/11). However, we did not detect expression of the SHH gene in 21/23 KOT and 10/11 AB tumors. Low levels of the SUFU gene were expressed in KOT (P = 0.0199) and AB (P = 0.0127) relative to the NNM. Recurrent KOT exhibited high levels of SMO (P = 0.035), PTCH1 (P = 0.048), CCND1 (P = 0.048), and BCL2 (P = 0.045) transcripts. Using immunolabeling of CCND1, we observed no statistical difference between primary and recurrent KOT (P = 0.8815), sporadic and NBCCS-KOT (P = 0.7688), and unicystic and solid AB (P = 0.7521). CONCLUSIONS Overexpression of upstream (PTCH1 and SMO) and downstream (GLI1, CCND1 and BCL2) genes in the SHH pathway leads to the constitutive activation of this pathway in KOT and AB and may suggest a mechanism for the development of these types of tumors.
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Ponti G, Pastorino L, Pollio A, Nasti S, Pellacani G, Mignogna MD, Tomasi A, Del Forno C, Longo C, Bianchi-Scarrà G, Ficarra G, Seidenari S. Ameloblastoma: a neglected criterion for nevoid basal cell carcinoma (Gorlin) syndrome. Fam Cancer 2013; 11:411-8. [PMID: 22565648 DOI: 10.1007/s10689-012-9529-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Ameloblastomas are considered to be aggressive and locally invasive neoplasms derived from odontogenic epithelium with a tendency for recurrence and bone destruction. Although the relationship between nevoid basal cell carcinoma syndrome (NBCCS) and ameloblastoma is less frequent, it might constitute a peculiar stigmata of this hereditary disorder. The objective of the current study was to evaluate whether a combined clinical and biomolecular approach could be useful for the identification of NBCCS among patients with a diagnosis of ameloblastoma. The authors collected ameloblastoma tumors recorded in the databases of the Pathology Departments of the University of Modena during the period 1991-2011. Family trees were drawn for all 41 patients affected by these specific odontogenic tumors. Two patients with ameloblastoma were also affected by multiple basal cell carcinomas and odontogenic keratocysts tumors (OKCTs) achieving the requested clinical criteria for the diagnosis of NBCCS. The clinical diagnoses were confirmed by the identification of two different novel PTCH1 germline mutations (c.2186A > T [p.K729 M]; c.931insA) in those unrelated patients. Clinical ameloblastoma findings can be used as screening for the identification of families at risk of NBCCS. Ameloblastomas diagnosis warrants the search for associated cutaneous basal cell carcinomas and other benign and malignant tumors related to NBCCS. Thus, we propose the inclusion of ameloblasoma as criterion for the identification of NBCCS.
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Affiliation(s)
- Giovanni Ponti
- Department of Head and Neck Surgery, University of Modena and Reggio Emilia, via del Pozzo, 71, 41100, Modena, Italy.
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Kalia V, Kaushal N, Kalra G. The syndromic multiple odontogenic keratocyst in siblings: A familial study. Ann Maxillofac Surg 2013; 1:77-82. [PMID: 23483828 PMCID: PMC3591029 DOI: 10.4103/2231-0746.83156] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Purpose: Our aim is to demonstrate the importance of postoperative assessment and highlight the need for a lifetime follow-up of the patient and the siblings in cases of Nevoid Basal Cell Carcinoma Syndrome (NBCCS). Materials and Methods: Three siblings out of which two were of syndromic multiple odontogenic keratocysts, with multiple basal cell nevae were followed-up for manifestations of NBCCS from year 2001 till date. Two of the patients were treated for multiple bilateral odontogenic keratocysts (OKCs). Familial occurrence of the syndromic multiple odontogenic keratocysts was studied. Result: Although NBCCS is associated with multiple OKCs, it does not imply that a patient should have more than one cyst at a given point in time, rather it refers to the lifetime history of the patient. Early diagnosis will often make it possible to use conservative therapies rather than complex treatments. Conclusion: Recognition of the syndrome permits early treatment in other but possibly asymptomatic relatives. Close attention of the family and past medical history and physical examination will alert the clinician to its presence, allowing for appropriate genetic counseling and serial screening for the development of malignancies and other complications besides OKCs.
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Affiliation(s)
- Vimal Kalia
- Department of Oral and Maxillofacial Surgery, BRS Dental College and Hospital, Sultanpur, P.O. Jaloli, Panchkula, India
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Kiwilsza M, Sporniak-Tutak K. Gorlin-Goltz syndrome--a medical condition requiring a multidisciplinary approach. Med Sci Monit 2013; 18:RA145-53. [PMID: 22936202 PMCID: PMC3560657 DOI: 10.12659/msm.883341] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Gorlin-Goltz syndrome is a rare genetic condition showing a variable expressiveness. It is inherited in a dominant autosomal way. The strongest characteristic of the disease includes multiple basal cell carcinomas, jaw cysts, palmar and plantar pits, skeletal abnormalities and other developmental defects. Owing to the fact that the condition tends to be a multisystemic disorder, familiarity of various medical specialists with its manifestations may reduce the time necessary for providing a diagnosis. It will also enable them to apply adequate methods of treatment and secondary prevention. In this study, we present symptoms of the disease, its diagnostic methods and currently used treatments. We searched 2 scientific databases: Medline (EBSCO) and Science Direct, for the years 1996 to 2011. In our search of abstracts, key words included nevoid basal cell carcinoma syndrome and Gorlin-Goltz syndrome. We examined 287 studies from Medline and 80 from Science Direct, all published in English. Finally, we decided to use 60 papers, including clinical cases and literature reviews. Patients with Gorlin-Goltz syndrome need particular multidisciplinary medical care. Knowledge of multiple and difficult to diagnose symptoms of the syndrome among professionals of various medical specialties is crucial. The consequences of the disease pose a threat to the health and life of patients. Therefore, an early diagnosis creates an opportunity for effective prevention and treatment of the disorder. Prevention is better than cure.
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Affiliation(s)
- Małgorzata Kiwilsza
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, Szczecin, Poland
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Pastorino L, Pollio A, Pellacani G, Guarneri C, Ghiorzo P, Longo C, Bruno W, Giusti F, Bassoli S, Bianchi-Scarrà G, Ruini C, Seidenari S, Tomasi A, Ponti G. Novel PTCH1 mutations in patients with keratocystic odontogenic tumors screened for nevoid basal cell carcinoma (NBCC) syndrome. PLoS One 2012; 7:e43827. [PMID: 22952776 PMCID: PMC3428295 DOI: 10.1371/journal.pone.0043827] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 07/30/2012] [Indexed: 11/18/2022] Open
Abstract
Keratocystic odontogenic tumors (KCOTs) are cystic tumors that arise sporadically or associated with nevoid basal cell carcinoma syndrome (NBCCS). NBCCS is a rare autosomal dominantly inherited disease mainly characterized by multiple basal cell carcinomas, KCOTs of the jaws and a variety of other tumors. PTCH1 mutation can be found both in sporadic or NBCCS associated KCOTs. The aim of the current study was to assess whether a combined clinical and bio-molecular approach could be suitable for the detection of NBCCS among patients with a diagnosis of keratocystic odontogenic tumors (KCOTs). The authors collected keratocystic odontogenic tumors recorded in the database of the Pathology Department of the University of Modena and Reggio Emilia during the period 1991–2011. Through interviews and examinations, family pedigrees were drawn for all patients affected by these odontogenic lesions. We found out that 18 of the 70 patients with KCOTs and/or multiple basal cell carcinomas actually met the clinical criteria for the diagnosis of NBCCS. A wide inter- and intra-familial phenotypic variability was evident in the families. Ameloblastomas (AMLs) were reported in two probands that are also carriers of the PCTH1 germline mutations. Nine germline mutations in the PTCH1 gene, 5 of them novel, were evident in 14 tested probands. The clinical evaluation of the keratocystic odontogenic tumors can be used as screening for the detection of families at risk of NBCCS. Keratocystic odontogenic lesions are uncommon, and their discovery deserves the search for associated cutaneous basal cell carcinomas and other benign and malignant tumors related to NBCCS.
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Affiliation(s)
- Lorenza Pastorino
- Department of Internal Medicine and Medical Specialties (DiMI) University of Genoa, Genoa, Italy
| | - Annamaria Pollio
- Oral Medicine Unit, Department of Odontostomatological and Maxillofacial Sciences, School of Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - Giovanni Pellacani
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Carmelo Guarneri
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Paola Ghiorzo
- Department of Internal Medicine and Medical Specialties (DiMI) University of Genoa, Genoa, Italy
- Laboratory of Genetics of Rare Hereditary Cancers, IRCCS AOU San Martino-IST, Genoa, Italy
| | - Caterina Longo
- Dermatology Unit, 1st Medical Department, Arcispedale Santa Maria Nuova, Reggio Emilia, Reggio Emilia, Italy
| | - William Bruno
- Department of Internal Medicine and Medical Specialties (DiMI) University of Genoa, Genoa, Italy
| | - Francesca Giusti
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Sara Bassoli
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Giovanna Bianchi-Scarrà
- Department of Internal Medicine and Medical Specialties (DiMI) University of Genoa, Genoa, Italy
- Laboratory of Genetics of Rare Hereditary Cancers, IRCCS AOU San Martino-IST, Genoa, Italy
| | - Cristel Ruini
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Stefania Seidenari
- Division of Dermatology, Department of Head and Neck Surgery, University of Modena and Reggio Emilia, Modena, Italy
| | - Aldo Tomasi
- Department of Clinical and Diagnostic Medicine and Public Health, University Hospital of Modena and Reggio Emilia, University of Modena and Reggio Emilia, Modena, Italy
| | - Giovanni Ponti
- Department of Clinical and Diagnostic Medicine and Public Health, University Hospital of Modena and Reggio Emilia, University of Modena and Reggio Emilia, Modena, Italy
- * E-mail:
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Ponti G, Pollio A, Mignogna MD, Pellacani G, Pastorino L, Bianchi-Scarrà G, Di Gregorio C, Magnoni C, Azzoni P, Greco M, Seidenari S. Unicystic ameloblastoma associated with the novel K729M PTCH1 mutation in a patient with nevoid basal cell carcinoma (Gorlin) syndrome. Cancer Genet 2012; 205:177-81. [PMID: 22559979 DOI: 10.1016/j.cancergen.2012.01.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Revised: 01/25/2012] [Accepted: 01/26/2012] [Indexed: 11/17/2022]
Affiliation(s)
- Giovanni Ponti
- Department of Head and Neck Surgery, Division of Dermatology, University of Modena and Reggio Emilia, Modena, Italy.
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Sauk JJ, Nikitakis NG, Scheper MA. Are we on the brink of nonsurgical treatment for ameloblastoma? ACTA ACUST UNITED AC 2010; 110:68-78. [DOI: 10.1016/j.tripleo.2010.01.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2009] [Revised: 01/06/2010] [Accepted: 01/26/2010] [Indexed: 12/17/2022]
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Ubriani R, Grossman ME. Facial papules as a marker of internal malignancy. Med Clin North Am 2009; 93:1305-31. [PMID: 19932333 DOI: 10.1016/j.mcna.2009.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Facial papules (bumps) confront the general practitioner during every face-to-face meeting with the patient. Increased awareness and recognition of the facial papules that represent cutaneous signs of internal malignancy will allow an early, aggressive workup and treatment of any associated cancer. This article details the clinical presentation, etiology, pathologic findings, and associated malignancy for such presentations. A skin biopsy for histopathologic diagnosis is necessary to distinguish these clues to underlying malignancy from the numerous benign lesions that cause facial papules.
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Affiliation(s)
- Ravi Ubriani
- Department of Dermatology, Columbia University, 161 Fort Washington Avenue, New York, NY 10032, USA.
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