Screening Camps: Strengths and Weaknesses from a Scientific Perspective (Post #8)

Hi! Welcome back to the Spiramen Founder's Blog! Last week, we looked at the strengths and weaknesses of screening camps from an implementation perspective. Today, we will be looking at their strengths and weaknesses from a scientific perspective.

As we discussed in the last post, the two main priorities of screening camps are time and cost efficiency. To screen a large amount of people, these are both required. As a result, screening camps do not give in-depth or conclusive diagnoses, but rather measure the likelihood of a visitor having the disease (in our case: cancer) and accordingly, may refer them to a doctor. This leads to some lapses in detection, but also has some benefits.

Looking first at strengths, the main strength of screening camps are that they help with early detection. In a Kerala-based study, scientists found that "...there was a 38% reduction in oral cancer incidence and an 81% reduction in oral cancer mortality in the participants who completed all the rounds of screening...". This early detection, when done over a period of time, increases survival rate in a population. Next, screening is non-invasive and acceptable to most communities. When people see needles or other medical equipment that is invasive, they may feel threatened and unsafe, especially those that are less aware of medical norms, like our target audience. The simple screening methods employed in screening camps feel more safe to visitors. Another strength of screening camps is that they are free! Since the target audience is usually the underprivileged community, who cannot afford to pay for screening, this feature is extremely important.

However, the low cost of screening can have some negative effects, which we will be discussing now. Due to the low cost, screening methods are very simple. They involve visual checking and feeling for lumps. We are currently looking into using Toluidine blue, a solution that, when applied to tumors, can detect if they are cancerous. This, however, is usually the extent of how in-depth screening camps get. As a result, small or hidden lumps may be missed by examiners, and diagnoses cannot be confirmed. Another weakness is that the quality of examination is dependent on the doctor conducting it, since there are limited tools and no tests available. Lastly, we will discuss frequency. Studies have shown that screening camps are beneficial if done regularly. If done once or twice, they have weak long-term impact. To see real benefits of screening camps, they must be conducted regularly, and multiple times in each community.

Now that we've seen the strengths and weaknesses of screening camps from a scientific perspective, let's talk about what we're doing at Spiramen to overcome them. Firstly, we are recruiting medical professionals with a completed MBBS and checking for past experience. This will ensure that errors are minimized. We will also be visiting each community we target multiple times, aiming for 3+ sessions. When it comes to the depth of screening methods, there are not many steps that can be taken, since the aim of screening camps themselves is to be low-cost. However, we will do our best to ensure all visitors are checked well and informed about follow-up, so they can visit the doctor themselves for more advanced testing (if required).

Thank you for reading this week's post, I'll see you again next Friday!

Image Citations:

Brook Hollow Family Dentistry. The 8-Step Oral Cancer Screening , www.brookhollowfamilydentistry.com/oral-cancer-screening.html. Accessed 12 Feb. 2026.

Information Citations:

V Mangayarkarasi, et al. “Enhancing Cancer Screening and Early Diagnosis in India: Overcoming Challenges and Leveraging Emerging Technologies.” Cureus, 10 Feb. 2025, https://doi.org/10.7759/cureus.78808.