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De Masson A, Beylot-Barry M, Bouaziz JD, Aubin F, Garciaz S, d’Incan M, Dereure O, Dalle S, Dompmartin A, Suarez F, Adamski H, Battistella M, Rivet J, Vignon-Pennamen MD, Brice P, François S, Lissandre S, Turlure P, Hainaut E, Brissot E, Dulery R, Ravinet A, Servais S, Ingen-Housz-Oro S, Joly P, Socié G, Bagot M. Allogreffe de cellules souches hématopoïétiques dans 37 cas de mycosis fongoïde transformé et autres lymphomes T cutanés primitifs de stade avancé. Ann Dermatol Venereol 2013. [DOI: 10.1016/j.annder.2013.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ram-Wolff C, Brice P, Moulonguet I, Vignon-Pennamen MD, Battistella M, Rivet J, Bagot M. Induction par le brentuximab vedotin (BV : anticorps monoclonal anti-CD30) d’une rémission clinique complète (RC) ou quasi-complète permettant une allogreffe de moelle dans des mycosis fongoïdes transformés (MFT) chimiorésistants : quatre observations. Ann Dermatol Venereol 2013. [DOI: 10.1016/j.annder.2013.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Carlotti A, balloy BC, Moulonguet I, Fraitag S, Rivet J, Dupin N, Plantier F. Fibrose angiocentrique à éosinophile, granulome de Lever et erythema elevatum diutinum : formes cutanées méconnues de maladie fibrosante associée à l’IgG4. Ann Dermatol Venereol 2012. [DOI: 10.1016/j.annder.2012.10.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Amegbor K, Harimenshi JM, Bin Asker A, Brière J, de Roquancourt A, Meignin V, Vérine J, Roche B, Benet C, Grossin M, Loiseaux F, Battistella M, Osio A, Rivet J, Janin A, Ameisen D, Bertheau P. La classification histopathologique simplifiée des tumeurs présentée à l’aide d’un outil pédagogique collaboratif en ligne en mode zoom. Ann Pathol 2012. [DOI: 10.1016/j.annpat.2012.09.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Karkouche R, Carbonnelle-Puscian A, Rivet J, Fraitag S, Moulonguet I, Carlotti A, Havard S, Vérola O, Cavelier-Balloy B. [Post-radiation atypical vascular lesions and angiosarcoma: 11 cases]. Ann Dermatol Venereol 2012; 139:109-17. [PMID: 22325749 DOI: 10.1016/j.annder.2011.11.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 10/11/2011] [Accepted: 11/04/2011] [Indexed: 12/16/2022]
Abstract
BACKGROUND Post-radiation atypical vascular lesions of the skin display clinical and morphological overlap with well-differentiated angiosarcomas, and correct diagnosis may be difficult. PATIENTS AND METHODS We studied clinical, histological and immuno-histochemical aspects (CD31, CD34, D2-40 and VEGFR-3) of eight post-radiation atypical vascular lesions comparatively with three post-radiation angiosarcomas. RESULTS All patients were female and received radiation therapy for breast carcinoma. On average, atypical vascular lesions occurred 4.3 years after radiation therapy and presented as small papulonodules or erythematous plaques. The clinical course after simple excision was benign. Histologically, they were relatively circumscribed lesions and showed slit-like vessels dissecting dermal collagen in all cases. On average, angiosarcomas occurred 5 years after radiation therapy and presented as more extensive lesions with a more aggressive clinical course. The lesions showed histological overlap with atypical vascular lesions, but were poorly circumscribed, with deeper invasion, cytological atypia and mitosis. Although the immuno-histochemical profiles were similar, expression of VEGFR-3 was greater in two cases of angiosarcoma. CONCLUSION Post-radiation atypical vascular lesions are benign lesions that display clinical, histological and immuno-phenotypic overlap with well-differentiated angiosarcoma, and diagnosis requires good clinicopathological correlation. VEGFR-3 may be useful for differential diagnosis, as well as amplification of the MYC gene.
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Fenot M, Sierra-Fortuny S, Maillard H, Rivet J, Celerier P. [Multiple cutaneous osteomas of the face in a setting of chronic acne]. Ann Dermatol Venereol 2011; 138:736-8. [PMID: 22078033 DOI: 10.1016/j.annder.2011.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2011] [Revised: 03/13/2011] [Accepted: 05/03/2011] [Indexed: 11/25/2022]
Abstract
BACKGROUND Multiple cutaneous osteomas are a rare complication of chronic inflammatory acne that often goes unrecognized. We report a case concerning a 35-year-old woman. PATIENTS AND METHODS A 35-year-old woman had been treated for acne since the age of 22 years, as part of which she received two courses of oral isotretinoin. We noted the secondary appearance of several microcysts on the face for which the excision was very difficult. Curiously, these small formations did not contain keratin but were very callous. Histological examination revealed foci of osseous metaplasia, probably of postinflammatory origin. Treatment consisted solely of excision of the lesions. DISCUSSION Osteoma cutis comprises two distinct groups (primary and secondary). In our case, there were multiple cutaneous osteomas of the face resulting from chronic acne. The differential diagnosis was idiopathic miliary osteomatosis of the face, but this was ruled out by the young age of the patient, the improvement of the acneiform lesions under isotretinoin (confirming the initial diagnosis of acne) and the subsequent appearance of microcysts. Although there are as yet no codified treatments, excision appears to yield good results.
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Niang D, Fite C, Funck Brentano E, Bouhidel F, Battistella M, Grossin M, Roche B, Rivet J, Vérine J, Janin A, Bertheau P. La lame virtuelle en ligne : un outil pour la formation initiale de troisième cycle des internes et FFIen anatomie et cytologie pathologiques. Ann Pathol 2011. [DOI: 10.1016/j.annpat.2011.09.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cavelier-Balloy B, Jeanmougin M, Rivet J, Happey JC, Dubertret L. [Fibrous juxtaarticular nodules]. Ann Dermatol Venereol 2009; 136:208-10. [PMID: 19232260 DOI: 10.1016/j.annder.2008.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Frémont G, Kérob D, Prost-Squarcioni C, Lièvre N, Rivet J, Tancrède E, Servant JM, Fermand JP, Morel P, Lebbé C. Cutis laxa acquise généralisée associée à un myélome : découverte de grandes cellules vacuolisées dermiques. Ann Dermatol Venereol 2007; 134:548-51. [PMID: 17657181 DOI: 10.1016/s0151-9638(07)89266-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Cutis laxa is a rare disorder characterized by loss of elastic tissue. Several organs are often involved such as the skin, lungs, heart, digestive system or genitourinary tract. It may be inherited or acquired, generalized or localized. Its pathogenesis is unclear. Association of acquired cutis laxa with myeloma or plasma cell dyscrasia is very rare. We report a case of acquired cutis laxa associated with a myeloma. CASE REPORT A 59 year-old woman was admitted for skin hyperlaxity present for a number of years. Light microscopic examination of a skin sample revealed fragmented elastic fibers. Electron microscopic examination of the elastic network demonstrated numerous large vacuolated cells with the appearance of macrophages around abnormal elastic and collagen fibers of the reticular dermis. In addition, a stage-1 IgG lambda myeloma was detected. The patient was treated by thalidomide for one year. After this treatment, electron microscopy examination did not reveal any large vacuolated cells in the dermis, and elastic and collagen fibers were not modified and skin laxity seemed to be stabilized. DISCUSSION Acquired cutis laxa may be associated with many systemic diseases or can appear after inflammatory skin diseases. Seven cases of generalized cutis laxa associated with myeloma and four cases associated with plasma cell dyscrasia have been reported in the literature. In our case, as in 2 previously described cases, large vacuolated cells resembling macrophages were seen in the dermis. They were thought to play a role in cutis laxa.
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Dauendorffer JN, Rivet J, Allard A, Bachelez H. Sézary syndrome in a patient receiving infliximab for ankylosing spondylitis. Br J Dermatol 2007; 156:742-3. [PMID: 17263820 DOI: 10.1111/j.1365-2133.2006.07713.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Infliximab, a tumour necrosis factor (TNF)-alpha antagonist, has shown striking efficacy in the treatment of chronic inflammatory rheumatological diseases such as rheumatoid arthritis and ankylosing spondylitis. However, long-term follow-up studies support that treatment with infliximab is associated with an increased risk of non-Hodgkin lymphoma. So far, few cases of cutaneous lymphoma have been reported in patients receiving TNF-alpha-blocking agents. We report a patient who developed Sézary syndrome 17 months after the onset of infliximab therapy for ankylosing spondylitis. Cutaneous lesions partially remitted following infliximab withdrawal and methotrexate treatment. Although the causal link between infliximab and the emergence of Sézary syndrome is uncertain, the present case raises the need for exhaustive long-term registries of malignancies, including primary cutaneous lymphomas, in patients receiving TNF-alpha-blocking agents.
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Lebbe C, Rivet J, Urena P, Cordoliani F, Martinez F, Fournier P, Aubert P, Aractingi S, Janin A. Calcinoses chez les patients en insuffisance rénale terminale : un processus régulé, associé à l’expression locale de l’ostéopontine. Ann Dermatol Venereol 2004. [DOI: 10.1016/s0151-9638(04)93718-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Panse I, Cordoliani F, Rybojad M, Rivet J, Lebbé C, Morel P. Blépharites du lupus érythémateux chronique. Ann Dermatol Venereol 2004; 131:58-60. [PMID: 15041846 DOI: 10.1016/s0151-9638(04)93544-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Discoid lupus erythematosus is a chronic skin disease frequently involving the face, scalp and ears. Palpebral lesions are rare. We report 4 cases of this uncommon localization. In one case, palpebral lesions were the sole manifestation of the discoid lupus erythematosus. CASE REPORTS Four patients aged between 26 and 45 Years had lesions of the lower eyelid as erythematous, infiltrated and scaly plaques. One patient, without diagnosis despite 2 skin biopsies of lesion, presented with a 2-Year history of blepharitis in the absence of any other cutaneous abnormality. In one case, chronic blepharitis has been present for 4 Years and associated with inflammatory arthralgia. Alopecia occurred 4 Years after the onset of blepharitis and led to the diagnosis of discoid lupus erythematosus. In 2 cases, blepharitis was associated with typical cutaneous lesions of discoid lupus erythematosus. Antimalaria drugs were very effective in 3 cases. In one patient the antimalaria drug failed, but thalidomide was effective. DISCUSSION The location of lesions on the eyelids in the absence of any other cutaneous abnormality is rare and can easily lead to the misdiagnosis of discoid lupus erythematosus. Most Authors mention a predilection of the lesions to the inferior portion of the eyelid, more specifically to the external third. The involvement of the eyelids with permanent scarring and severe eye impairment is explained by the long duration of the disease without diagnostic and appropriate treatment. Clinical examination is highly consistent with discoid lupus erythematosus: the lesions typically present as well-circumscribed, erythematous plaques with telangiectasia and scales and atrophy in long-standing disease. Antimalaria drugs are remarkably effective.
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Soufir N, Ribojad M, Magnaldo T, Thibaudeau O, Delestaing G, Daya-Grosjean L, Rivet J, Sarasin A, Basset-Seguin N. Germline and somatic mutations of the INK4a-ARF gene in a xeroderma pigmentosum group C patient. J Invest Dermatol 2002; 119:1355-60. [PMID: 12485439 DOI: 10.1046/j.1523-1747.2002.19603.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Xeroderma pigmentosum is an inheritable autosomal recessive DNA repair deficient syndrome characterized by a high predisposition to skin cancers. An elevated proportion of tumors from xeroderma pigmentosum patients harbor ultraviolet-induced mutations (CC:GG > TT:AA tandem transitions) of the p53 and/or the INK4a-ARF genes. Here, we report the clinical and molecular features of a 12 y old xeroderma pigmentosum patient who, in addition to severe cutaneous clinical symptoms, also had three unusual tumors, a mediastinal lymphoblastic lymphoma, an atypical fibroxanthoma, and an epithelioid hemangioma. Single strand conformation polymorphism and sequencing analysis of the p53 and INK4a-ARF genes were carried out in DNA from normal skin and different tumors (four actinic keratosis, two microinvasive squamous cell carcinomas, one basal cell carcinoma, and one atypical fibroxanthoma) from the patient. After characterization of the xeroderma pigmentosum C complementation group, we found unexpectedly that this patient also carried a germline mutation of the INK4a-ARF locus affecting the p16INK4A reading frame. Three different somatic mutations that all harbor the signature of ultraviolet light (two of p16INK4A and one of p53) were also detected in the basal cell carcinoma. We hypothesize that the germline mutation of p16INK4A, in association with the nucleotide excision repair defect, could explain the patient's unusual phenotype. Furthermore, this study confirms that concomitant somatic mutations of INK4a-ARF and p53 occur in some xeroderma pigmentosum associated tumors, and seem to accumulate during tumor progression rather than the initiation step.
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Viguier M, Bachelez H, Brice P, Rivet J, Dubertret L. [Cutaneous B-cell lymphoma treatment with rituximab: two cases]. Ann Dermatol Venereol 2002; 129:1152-5. [PMID: 12442128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
INTRODUCTION Anti-CD20 monoclonal antibodies have been successfully used in patients affected with B-cell lymphomas - mostly of the centrofollicular variety - showing relapse after treatment with antineoplastic chemotherapy. We report herein two patients with cutaneous B-cell lymphomas showing complete remission after treatment with rituximab. CASE REPORTS A 70 year-old man with a cutaneous large cell lymphoma of the legs relapsing despite chemotherapy, and a 38 year-old woman with a cutaneous and lymph node centrofollicular lymphoma were treated with rituximab 375 mg/m(2) weekly for 4 weeks, leading to complete remission, persisting 15 months after the end of treatment in one case, while remission lasted 10 months in the first case. In this latter case, relapsing lesions responded following treatment with a rituximab/cytotoxic polychemotherapy combination. DISCUSSION Rituximab is a monoclonal chimeric antibody targeting CD20, a surface antigen which is expressed by cells belonging to the B-lymphocytic lineage and by most B cell malignancies. Sixteen other patients with cutaneous B-cell lymphomas treated with rituximab have been previously reported in the literature, with a complete remission rate of 25 p. 100 and a partial remission rate of 56 p. 100. The presently reported cases support the use of rituximab in cases of cutaneous B-cell lymphoma showing resistance or relapse after antineoplastic chemotherapy, either alone or in combination with cytotoxic drugs.
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Bienvenu B, Martinez F, Devergie A, Rybojad M, Rivet J, Bellenger P, Morel P, Gluckman E, Lebbé C. Topical use of cidofovir induced acute renal failure. Transplantation 2002; 73:661-2. [PMID: 11889450 DOI: 10.1097/00007890-200202270-00033] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Cidofovir has antiviral activity against a wide spectrum of DNA viruses. Several small studies have focused on the efficacy of topical cidofovir in various viral-induced diseases. We report a systemic complication of such therapy. CASE REPORT A bone marrow transplant recipient with chronic renal failure developed genital condylomas resistant to standard therapy. After topical cidofovir application (1% once daily for 5 days, then 4% for 12 days), the lesions improved while local erosions appeared. Acute renal failure with features of tubular acidosis occurred at day 19. Spontaneous recovery was observed after cidofovir withdrawal. CONCLUSION We describe for the first time acute renal failure after topical cidofovir in an immunosuppressed patient with prior renal insufficiency. This method of administration should be avoided on abraded skin and should be carefully monitored.
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Rivet J, Moreau D, Daneshpouy M, Schlemmer B, Leleu G, Baumelou E, Rio B, Brison O, Janin A. T-cell lymphoma with eosinophilia of donor origin occurring 12 years after allogeneic bone marrow transplantation for myeloma. Transplantation 2001; 72:965. [PMID: 11571470 DOI: 10.1097/00007890-200109150-00040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Trichoepithelioma is a benign tumor of trichogenic origin which appears predominantly in childhood or in young adults. Different forms have been described according to clinical and histological features. The authors report a unique variant of trichoepithelioma arising on the limb of a 27-year-old man. The tumor was characterized by the mixture of an atypical fibroxanthomatous proliferation and basaloid epithelial strands of trichoepithelioma. Such histological features have not been previously reported. It raises the question of an additional variant of hair follicle tumor with a mixed epithelial and mesenchymal proliferation.
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Rivet J, Bertheau P, Daneshpouy M, Plassa F, Grolet L, Meignin V, Janin A. Microdissection of frozen sections. J Mol Med (Berl) 2001; 78:B24. [PMID: 11043386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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Bertheau P, Rivet J, de Roquancourt A, de Thé H, Espié M, Janin A. Microdissection and breast cancer. J Mol Med (Berl) 2001; 78:B31. [PMID: 11043391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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Daneshpouy M, Rivet J, Ait Ouazzou S, Meignin V, Janin A. [Resin polymerizing at low temperatures: II. Histochemistry, electron microscopy and immunomarkers]. Ann Pathol 2001; 21:97-101. [PMID: 11223572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
For pathologists, tissu processing and analysis require good preservation of both the shape (morphology) and the content of the cells (antigens, nucleic acids). Low temperature embedding resins are the only inclusion substrate which allows both a fine morphological analysis and good preservation of antigens and nucleic acids. Automatic the technical processes and simplified protocols now allow the introduction of low temperature embedding resins in diagnostic procedures.
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Daneshpouy M, Socie G, Clavel C, Devergie A, Rivet J, Cartier I, Brousse N, Birembaut P, Gluckman E, Janin A. Human papillomavirus infection and anogenital condyloma in bone marrow transplant recipients. Transplantation 2001; 71:167-9. [PMID: 11211188 DOI: 10.1097/00007890-200101150-00030] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Secondary malignant diseases are late complications after allogeneic bone marrow transplantation (BMT). Anogenital lesions associated with human papillomavirus (HPV) infection have been described in renal transplant recipients but not after BMT. HPV types 16 and 18 are strongly linked to the malignant transformation. METHODS In a series of 238 patients with allogeneic BMT, three had anogenital lesions. We looked for HPV in DNA extracted from embedded tissue to study HPV genotypes, p53 expression, and ploidy. RESULTS In two patients, HPV sequences were detected. One of them, with giant condyloma, had HPV type 18 and two aneuploid clones, but p53 expression was not found. CONCLUSION As in solid organ transplant recipients, anogenital condyloma may develop after BMT. Because the oncoprotein of HPV is able to bind and to degrade p53, it may lead to genetic instability, and subsequently to malignant transformation.
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Ait Ouazzou S, Daneshpouy M, Rivet J, Meignin V, Plockyn A, Janin A. [Resins polymerizing at low temperatures. I. Different families and principle technics]. Ann Pathol 2000; 20:643-5. [PMID: 11148368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
For pathologists, tissue processing and analysis require good preservation of both the shape (morphology) and the content of the cells (antigens, nucleic acids). Low temperature embedding resins are the only inclusion substrate which allows both a fine morphological analysis and good preservation of antigens and nucleic acids. Automatic the technical processes and simplified protocols now allow the introduction of low temperature embedding resins in diagnostic procedures.
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Rivet J, Servant JM, Monteil JP, de Kerviler E, de Roquancourt A, Janin A. [Gorlin-Goltz syndrome. Apropos of a maxillary cyst]. REVUE DE STOMATOLOGIE ET DE CHIRURGIE MAXILLO-FACIALE 2000; 101:194-6. [PMID: 11103428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
We report a case of Gorlin-Goltz syndrome and recall the principle features of this uncommon disease. The syndrome associates multiple skeletal malformations, skin tumors and epidermoid maxillary cyst. We discuss the differential diagnosis of maxillary cysts.
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Ah-Hot P, Rivet J, Saliou C, Bailly C, Bruneval P. [Atypical cellular blue nevus. Apropos of 1 case]. Ann Pathol 2000; 20:228-31. [PMID: 10891718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
We report a new case of a cellular blue nevus with clinicopathologic atypia. It was a large lesion presenting clinically as a vascular tumor located in the middle of the back. It grew for 2 years without skin ulceration. The pathological study suggested a cellular blue nevus with moderate nuclear atypia, without any atypical mitosis and necrosis. The differential diagnosis such as malignant blue nevus and melanoma are discussed in search of a better definition of these rare lesions.
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