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Little-known profession outside hospitals appears at the center of a bottleneck involving salaries, specialized training, and the capacity for oncological care in the country, especially in radiotherapy services that depend on complete technical teams to operate safely.
Outside the center of cancer discussions, the lack of medical physicists in Brazil exposes a decisive bottleneck for radiotherapy, a treatment that depends on highly specialized teams and does not advance solely with machines, hospital rooms, or new units.
Even with an average remuneration of R$ 8,773.87 in the formal market, the occupation is associated with an estimated deficit of 359 professionals in the country, a number that helps to gauge the weight of specialized labor in the expansion of care.
For the treatment to work safely, the network needs to gather radio-oncologists, medical physicists, radiotherapy technicians, and other professionals trained to handle a highly complex routine, marked by calculations, checks, and strict protocols.
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Cited by Medicina S/A from a study published in The Lancet Global Health, the gap is part of a broader picture of scarcity, which also includes a lack of 960 radio-oncologists and 2,676 radiotherapy technicians in the Brazilian context presented.
Medical physicist works behind the scenes of radiotherapy
Behind the scenes of oncology, the medical physicist participates in decisive stages before and during radiotherapy, working on dose calculations, equipment quality control, radiation protection, and verification of hospital procedures.
In practice, this work helps ensure that radiation is delivered precisely to the target defined by the medical team, reducing risks for patients, healthcare professionals, and environments where high-complexity equipment is in operation.
While the radio-oncologist prescribes and monitors the therapy, it is up to the medical physicist to verify if the technical planning is compatible with the prescribed dose, therapeutic objective, and safety parameters required in the service.
This role requires mastery of physics applied to health, radiation, mathematics, anatomy, hospital technology, and radiation protection standards, making it unfeasible to replace the professional with workers without specific training or adequate training.
Throughout the treatment, each session involves planning, patient positioning, dose checking, proper equipment functioning, and strict protocol repetition, especially when the patient needs to undergo multiple applications in sequence.
Medical Physicist Salary Does Not Eliminate the Training Funnel
Although the average salary draws attention, the remuneration alone does not solve a structural problem, because there are few professionals prepared to occupy roles in radiotherapy, nuclear medicine, diagnostic radiology, and other areas that use radiation in health.
The value used as a reference comes from formal ties registered under the CLT regime and considers professionals admitted and dismissed in the last 12 months, according to a survey by the Salário portal based on Caged data.
In this context, the average reported workweek is 39 hours, with variation according to region, experience, size of the institution, type of service, workload, and degree of specialization required for the role.
Behind the low supply, training in Medical Physics combines knowledge of exact sciences, technology, and hospital practice, creating a longer and more specific path than observed in many administrative or operational occupations.
In addition to graduation, many services require specialization, residency, specialist title, or registration related to working with ionizing radiation, especially when the professional works in regulated installations subject to technical safety standards.
Guidance from the National Nuclear Energy Commission for the registration of medical physicists requires specific qualifications, such as completed residency or other recognized technical requirements, reinforcing the need for controlled training for specialized practice.
Professional Deficit Limits Expansion of Cancer Treatment
In the oncology network, the lack of specialized professionals weighs in a scenario where access to radiotherapy already faces obstacles related to infrastructure, regional distribution of services, and the ability to maintain complete teams.
The RT2030 survey, published in 2023, identified 263 operational centers, 409 therapy machines, 646 radio-oncologists, and 533 medical physicists working in Brazil, with 230,989 patients undergoing radiotherapy treatment during the analyzed period.
These numbers show that the existing structure depends on a broad chain of human resources, equipment, technical maintenance, and integration with the oncology network, without which the service capacity does not meet the demand.
When one of these links fails, installed devices may operate below the necessary capacity or face difficulties in maintaining continuous routines, even in locations that have already received infrastructure investment to expand treatment.
Used for curative or palliative purposes, radiotherapy can be part of combined protocols with surgery, chemotherapy, immunotherapy, or other therapeutic modalities, according to the type of cancer, the stage of the disease, and medical evaluation.
For this reason, queues, regional inequality, and delays in starting treatment should not be attributed solely to the number of available equipment, as safe operation requires skilled professionals at all stages.
Low visibility reduces interest in the career
Little known outside hospitals, universities, and specialized centers, Medical Physics occupies a frontier between science, technology, and healthcare, but rarely appears as an evident option for high school students.
This lack of awareness can deter young people with an analytical profile and interest in exact sciences, who often direct their choices towards more traditional health careers, such as Medicine, Nursing, or Pharmacy.
Even so, the presence of the medical physicist is indispensable in exams and therapies that depend on radiation, equipment control, technical quality of procedures, and permanent integration with clinical teams within hospital services.
The challenge involves training, valuing, retaining, and regional distribution of professionals, especially since radiotherapy services tend to concentrate in high-complexity structures, which are more difficult to install and maintain in regions with lower availability.
With the advancement of cancer diagnoses and the aging population, the demand for radiotherapy tends to grow, putting pressure on countries already facing a shortage of trained teams and difficulty in expanding specialized care.
In Brazil, the lack of medical physicists shows that the expansion of oncological treatment involves a stage prior to the patient’s session, consisting of calculations, tests, calibrations, and checks that support the safety of the applied dose.
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