Angiofibromas are rare vascular tumors which originate predominantly in the nasopharynx and occur typically in male adolescents. Extranasopharyngeal sites such as nasal cavity and paranasal sinuses are less frequent. This review article was undertaken to evaluate the incidence, clinical features and management of extranasopharyngeal angiofibromas originating exclusivelly from nasal cavity structures. Our focus of interest was to evaluate the significance of immunohistochemical analysis in diagnosis of such extremely rare neoplasms. In the PubMed and Google Search, we found only 39 cases of nasal angifibroma, 27 males and 12 females from 1980 to 2012. The most prevalent site of origin was nasal septum, followed by inferior and middle turbinate. The commonest symptoms were nasal obstruction and epistaxis. Nasal angiofibromas are clinically distinct from nasopharyneal angiofibromas and can therefore be misdiagnosed. The differential diagnosis includes other vascular lesions, such as lobular capillary hemangioma and sinonasal-type hemangiopericytoma. Although immunohistochemistry is not necessary for differentiation between angiofibroma and capillary hemangioma, that diagnostic procedure may be helpful in distinction from sinonasal hemangiopericytoma. As an ilustration for immunohistochemical analysis, we presented a case of an elderly woman with tumor arising from the middle turbinate, diagnosed as angiofibroma. The staining was positive for CD34, CD31, factor VIII, vimentin and smooth muscle alpha-actin, and negative for desmin. and A. Perić, J. Sotirović, S. Cerović, L. Zivić
Popisujeme případ multicentrické formy Castlemanovy choroby, s generalizovanou lymfadenopatií a splenomegalií, provázenou typickými B symptomy – úbytek hmotnosti 15 kg, horečky neinfekčního původu, noční pocení, symptomy anémie. Histologické vyšetření uzlin s nejvyšší akumulací fluorodeoxyglukózy, odebrané torakoskopicky z mediastina, prokázalo plazmocelulární typ Castlemanovy choroby. Vyšetření HIV a lidského herpesviru 8 (HHV-8) bylo negativní. Stanovení diagnózy nemoci předcházely 3 recidivy herpes zosteru, což svědčilo o alteraci imunity. Léčba byla zahájena kombinací talidomidu, dexametazonu a cyklofosfamidu. Po 2 měsících léčby nebyla zřetelná léčebná odpověď a pacient tuto léčbu špatně toleroval. Proto byl tento způsob léčby ukončen. Pro léčbu 2. linie byla zvolena léčba R-CHOP (Mabthera – rituximab, cyklofosfamid, adriamycin, vinkristin a prednison. V průběhu 2 cyklů této léčby se zmenšila lymfadenopatie a splenomegalie, ale léčbu provázely závažné infekční komplikace. Proto dále pokračovala pouze monoterapie přípravkem Mabthera v dávce 375 mg/m2 v 28denních intervalech. Tato léčba se ukázala jako účinná a dobře tolerovaná. Při kontrolním PET-CT vyšetření vymizela lymfadenopatie a splenomegalie a normalizovala se akumulace fluorodeoxyglukózy. Mabthera v monoterapii se v tomto případě ukázala jako účinný a velmi dobře tolerovaný lék. Pro multicentrickou formu Castlemanovy nemoci existuje v současnosti více účinných léčebných alternativ: léčba rituximabem v monoterapii či v kombinaci, léčba imunomodulačními léky (talidomid nebo lenalidomid), léčba protilátkami proti interleukinu 6 (siltuximab) nebo proti jeho receptoru (tocilizumab). V případně neúčinnosti jedné léčebné alternativy je nutné otestovat další alternativu. V tomto případně nebyla úspěšná léčba založená na talidomidu, zatímco léčba založená na přípravku Mabthera dosáhla vymizení projevů nemoci., We describe a case of multicentric Castleman disease with generalized lymphadenopathy and splenomegaly, accompanied by typical B symptoms - loss of 15 kg, fever of non-infectious origin, night sweats, symptoms of anemia. Histological examination of the nodes with the highest accumulation of fluorodeoxyglucose, taken from mediastinum by thoracoscopy, revealed plasmocellular type of Castleman disease. Tests for HIV and human herpesvirus 8 (HHV-8) were negative. Three recurrences of herpes zoster indicating an alteration of immunity preceded the diagnosis of disease. Treatment was initiated with combination of thalidomide, dexamethasone, and cyclophosphamide. The response after 2 months therapy was not clear and patient doesn´t tolerated the therapy well. Therefore, this treatment was terminated and R-CHOP (Mabthera - rituximab, cyclophosphamide, adriamycin, vincristine, and prednisone) was selected as a second-line therapy. Lymphadenopathy and splenomegaly were reduced during the 2 cycles of treatment, however, serious infectious complications accompanied the therapy. Therefore, only use of Mabthera monotherapy 375 mg /m2 was administered in 28-day intervals. This treatment has shown efficacy and tolerability. PET-CT scan has demonstrated disappearance of lymphadenopathy and splenomegaly, in addition, normalized accumulation of fluorodeoxyglucose. Monotherapy with Mabthera has proved to be effective and well tolerated drug in this case. Currently, there are more effective therapeutic alternatives in multicentric Castleman disease: treatment with monotherapy of rituximab or in combination therapy with immunomodulatory drugs (thalidomide or lenalidomide, treatment with anti-IL-6 (siltuximab) or against its receptor (tocilizumab). In the case of ineffectiveness of one treatment option must be tested other alternative. In this case the therapy based on thalidomide wasn´t successful, whereas the treatment with Mabthera has achieved disappearance of disease symptoms., and Zdeněk Adam, Petr Szturz, Renata Koukalová, Zdeněk Řehák, Luděk Pour, Marta Krejčí, Lenka Šmardová, Michal Eid, Pavlína Volfová, Zdeňka Čermáková, Leoš Křen, Filip Sokol, Ivo Hanke, Eva Michalková, Zdeněk Král, Jiří Mayer