r/radiationtherapy
A subreddit for all things in the world of Radiation Therapy. From dosimetry and brachytherapy to proton therapy and MRI-LINACs, and…
How to think about r/radiationtherapy
This community is dedicated to discussing all aspects of radiation therapy, including techniques like dosimetry, brachytherapy, and proton therapy. Members share knowledge about equipment, clinical practices, and advancements in the field, making it a valuable resource for both professionals and students. The focus on practical and clinical applications distinguishes this community from more general medical forums.
Confidence 4/5
Audience
Participants typically include radiation therapy students, professionals in oncology and medical physics, and individuals seeking information about treatment options. The community has a supportive and educational vibe, with members who are passionate about advancing their knowledge and sharing experiences related to radiation therapy.
Posting culture
Content that thrives includes detailed questions about clinical practices, equipment discussions, and personal experiences with radiation therapy. Posts that are overly promotional or lack depth tend to get downvoted. The community values informative and well-researched contributions, with a steady posting cadence that reflects ongoing discussions in the field.
Brand engagement notes
Brands should approach this community with caution, as members are often skeptical of overt promotion. Engaging through educational content, such as informative articles or expert Q&A sessions, can be effective. Brands should avoid direct advertising and instead focus on providing value through knowledge sharing and community support. Authenticity and relevance to the field of radiation therapy are key to gaining acceptance.
Top keywords
What r/radiationtherapy talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/jana_50n
- u/helpplease2029
- u/franticallyaspaz
- u/AndrewWurm_EpicStaff
- u/nuclearsciencelover
- u/gitrektlol
- u/Llmama555
- u/Accomplished_Wave229
- u/Sea-Ease-549
- u/GreenSuper7464
- u/postella
- u/AirForceCommander
- u/Klutzy-Check-5243
- u/[deleted]
- u/Aggressive_Cattle_69
- u/yayayayy111
- u/rainmaker841
- u/CopperNoodles3
- u/RadioHead1_
- u/jumbojinbeisan
- u/Reasonable-Run-5297
- u/GeniusIComeAnon
- u/Aristotle29
- u/Sutand09
- u/Character_Side_3679
- u/Wise_Salad
- u/vilca908
- u/kriskabasi
- u/Legitimate-View-4149
- u/mightycandy
- u/Little-Common-4026
- u/tayabilla
- u/Humble_Masterpiece_6
- u/Ihatetrainswoo
- u/jessyska
By votes
- u/jana_50n
- u/nuclearsciencelover
- u/helpplease2029
- u/gitrektlol
- u/franticallyaspaz
- u/Llmama555
- u/Accomplished_Wave229
- u/Sea-Ease-549
- u/GreenSuper7464
- u/AndrewWurm_EpicStaff
- u/postella
- u/AirForceCommander
- u/Klutzy-Check-5243
- u/[deleted]
- u/Aggressive_Cattle_69
- u/yayayayy111
- u/rainmaker841
- u/CopperNoodles3
- u/RadioHead1_
- u/vilca908
- u/jumbojinbeisan
- u/Reasonable-Run-5297
- u/GeniusIComeAnon
- u/Aristotle29
- u/Sutand09
- u/Character_Side_3679
- u/Wise_Salad
- u/kriskabasi
- u/Legitimate-View-4149
- u/mightycandy
- u/Little-Common-4026
- u/tayabilla
- u/Humble_Masterpiece_6
- u/Ihatetrainswoo
- u/jessyska
Top commenters
By comment count
- u/jessyska
- u/Unahnimus
- u/Boratisnumberone
- u/TheSeinfeld
- u/DAFFODIL0485
- u/yayayayy111
- u/poplockandload
- u/bamhawkmagera
- u/hernandez1998
- u/Rusl21
- u/radgirlj
- u/[deleted]
- u/Consistent-Bother131
- u/MilHouse45
- u/Bleak_Fried
- u/Khaz_ToJ
- u/Chandler1924
- u/Euphoric-Reaction361
- u/zws397
- u/Legitimate-View-4149
- u/Ok-Technician6435
- u/Hikes_with_dogs
- u/Nysdsqpa321
- u/XRadT
- u/npm93
- u/mangohi-chew
- u/Beautiful_Ad_4563
- u/youngbloodcms
- u/Present_Situation436
- u/mandarinorangez
- u/foreveryoungxoxoxo
- u/Chole_
- u/Independent-Bike7007
- u/miao_ciao
- u/mattcubs
- u/sweetwine888
- u/Madein198t
- u/Patient_Orange_3566
- u/phillipby11
- u/GpCapLionelMandrake
- u/franticallyaspaz
- u/KinoPecan
- u/St_Piran
- u/Amy-197
- u/lowspeedracing
- u/Physical_Try_4896
- u/crimewav3
- u/ThaCrimsonChinn
- u/Bee8828
By votes
- u/jessyska
- u/poplockandload
- u/Boratisnumberone
- u/bamhawkmagera
- u/Unahnimus
- u/yayayayy111
- u/MilHouse45
- u/Khaz_ToJ
- u/TheSeinfeld
- u/radgirlj
- u/Independent-Bike7007
- u/Nysdsqpa321
- u/XRadT
- u/St_Piran
- u/crimewav3
- u/Consistent-Bother131
- u/DAFFODIL0485
- u/franticallyaspaz
- u/Chandler1924
- u/hernandez1998
- u/Rusl21
- u/npm93
- u/Legitimate-View-4149
- u/mangohi-chew
- u/Beautiful_Ad_4563
- u/youngbloodcms
- u/mandarinorangez
- u/foreveryoungxoxoxo
- u/Chole_
- u/miao_ciao
- u/mattcubs
- u/Madein198t
- u/KinoPecan
- u/Amy-197
- u/Physical_Try_4896
- u/ThaCrimsonChinn
- u/Bleak_Fried
- u/Euphoric-Reaction361
- u/zws397
- u/Ok-Technician6435
- u/[deleted]
- u/Hikes_with_dogs
- u/Present_Situation436
- u/sweetwine888
- u/Patient_Orange_3566
- u/phillipby11
- u/GpCapLionelMandrake
- u/lowspeedracing
- u/Bee8828
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/radiationtherapy — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/radiationtherapy have?
r/radiationtherapy has approximately 8,123 subscribers as of May 27, 2026.
When was r/radiationtherapy created?
r/radiationtherapy was created on January 31, 2015 (11 years ago).
What is r/radiationtherapy about?
This community is dedicated to discussing all aspects of radiation therapy, including techniques like dosimetry, brachytherapy, and proton therapy. Members share knowledge about equipment, clinical practices, and advancements in the field, making it a valuable resource for both professionals and students. The focus on practical and clinical applications distinguishes this co…
What subreddits are similar to r/radiationtherapy?
Communities similar to r/radiationtherapy include r/medicalphysics, r/nuclearmedicine, r/oncology, r/radiation, r/radiology.
Who are the most active posters on r/radiationtherapy?
The most frequent posters on r/radiationtherapy include u/jana_50n, u/helpplease2029, u/franticallyaspaz.
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