# Ward M12, Meilahti Tower Hospital Keywords: - [vascular surgery](< /en/search?q=vascular surgery >) - [Meilahti Tower Hospital](< /en/search?q=Meilahti Tower Hospital >) - [Abdominal Center](< /en/search?q=Abdominal Center >) On Vascular Surgery Ward M12 (A and B), we treat patients who have undergone extracranial or extrathoracic vascular surgical examinations and procedures.  Our most typical procedures include vascular angiography, balloon angioplasty, stent insertion, vascular bypass surgery, and dialysis fistula procedures. We also treat vascular surgery infection patients on the ward. ​​ Our national area of special expertise is oncovascular surgery, i.e. cancers that grow in large blood vessels. ## [ Maisa Portal (opens in new window, links to another website) ](https://www.maisa.fi/maisa/Authentication/Login?lang=britishenglish) MAISA.FI You can use our online services by signing in to the Maisa Portal. Once your treatment with us begins, you will receive information on the services you can access in Maisa. These include appointment booking and preliminary information forms, for example. Click here to go to Maisa’s sign-in page  ## [ Patient Guide ](/en/patient/patient-guide) The Patient Guide site answer the most common questions you might have before, during, and after treatment. See Patient Guide site here  ## Contact information and opening hours #### Visiting address Meilahti Tower Hospital Haartmaninkatu 4 Helsinki 12th floor #### Postal address 340 00290 Helsinki ### Inquiries concerning patients treated at the ward [ Phone, Inquiries concerning patients treated at the ward: 09 471 72299 ]() #### Visiting hours Mon–Sun 13:00–19:00 In the morning from 9 a.m. to noon, our doctor's have their rounds at the ward and our nurses concentrate on caring for the patients. We kindly request that inquiries about our patients take place after 1 p.m. ## Find us here ### [ Meilahti Tower Hospital ](/en/patient/hospitals-and-other-units/meilahti-tower-hospital)  ## Unit's services ### [ Vascular surgery ](/en/patient/treatments-and-examinations/vascular-surgery)  ### [ Oncovascular Center ](/en/patient/treatments-and-examinations/oncovascular-center)  ## Specialists ### [ Ilkka Kantonen ](/en/person/ilkka-kantonen) Head of Vascular Surgery division, Head physician Abdominal Center ### [ Pekka Aho ](/en/person/pekka-aho) Chief Physician Updated: 14.04.2026 Print this page