Large geographical differences in the incidence of skin cancer in Norway – Dagsavisen

By Mette Estep/NTB

In 2023, 2,967 new cases of mole cancer and 3,059 cases of skin cancer were registered in Norway in 2023, i.e. just over 6,000 cases in total and on par with the record year 2022. This is shown in the latest annual report from the Cancer Registry, FHI.

The rates for the number of cases per 100,000 inhabitants are now 49.5 and 50.5 for Norway. Looking at the statistics per county, there are as many as 60 cases of melanoma and 70 cases of skin cancer per 100,000 inhabitants in Agder.

At the bottom of the county lists are Troms and Finnmark, with rates of 25 for each of the two types of cancer.

– It is easy to think that it is the places with the most sun that also have the most cases of skin cancer. But it can also be the case that places with less sun, such as Vestland and Møre and Romsdal, are outside more when the sun first comes out, or perhaps they travel to the South and get sunburnt there, says Secretary General of the Cancer Association, Ingrid Stenstadvold Ross in a email to NTB.

Solkyst and Vestland

In addition to Agder, Vestfold, Telemark and Vestland raise the average for how many people out of 100,000 per year are diagnosed with melanoma for the first time. The figures NTB has been sent by the Cancer Registry show that Viken and Oslo are also slightly above average.

On the list of the number of detected cases of skin cancer, mostly the same counties are above the average of 50.5.

Rogaland and Trøndelag stand out slightly in that they are high on one list and low on the other:

Rogaland has 49 proven cases of melanoma per 100,000, but a very high rate for the number of skin cancer cases, with 67.

In Trøndelag it is the other way around, with 53 confirmed cases of melanoma per 100,000, but a relatively low rate for skin cancer, with 37.

– It is difficult to know why certain counties are higher than others, but there are many who work offshore in Rogaland. They can detect earlier through health checks. They often have longer periods of time off where they perhaps enjoy themselves out in the sun or travel abroad? says Stenstadvold Ross.

More men than women

In recent decades, skin cancer has increased sharply in populations with light skin types, and the incidence in Norway is among the highest in the world, according to the Cancer Registry. Before the age of 50, the incidence of mole cancer is highest among women, after the age of 50, however, the reverse is true.

The numbers are increasing in all age groups, but it is the elderly who get skin cancer the most. The median age for melanoma is now 67, which means that half of all those diagnosed are over 67.

– In the last five years, there have been 27 per cent more people who have got melanoma, and that is a dramatic increase. In the last year, we have seen the increase only in men, says Stenstadvold Ross.

In general, more men than women get skin cancer and mole cancer.

– Traditionally, men have been less concerned with sun protection than women. There are also more men than women who die from skin cancer, probably because men are later than women to see a doctor with a skin change, says Stenstadvold Ross.

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Already for the weekend, temperatures of up to 20 degrees have been reported, and she reminds people that people must take sun protection seriously.

– It’s never too late to get good sun habits. It’s about doing what many people actually know, to limit the time we are in the strong rays of the sun, protect ourselves with clothes and something on the head, and to use sunscreen, she says.

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Facts about geographical differences for skin cancer

That’s how many per 100,000 were diagnosed with melanoma (mole cancer) and skin cancer for the first time in these counties in 2023. (Change compared to the average rate for the five-year period 2019-2023)

Number of cases of melanoma per 100,000 in 2023 (five-year rate and change)

1. Agder 60 (57) +6.4 per cent

2. Vestfold/Telemark 58 (54) +6.4 per cent

3. Vestland 58 (48) +19 per cent

4. Trøndelag 53 (50) +6.0 percent

5. Viken 51 (46) +11 percent

6. Oslo 50 (46) +9.3 per cent

Norway in total 49.5 (45.3) +9.2 per cent

7. Rogaland 49 (49) +0.4 per cent

8. Inland 40 (37) +6.9 per cent

9. Nordland 39 (31) +26 per cent

10. Møre/Romsdal 36 (32) +13 per cent

11. Troms/Finnmark 25 (32) -20 per cent

Number of cases of skin cancer per 100,000 in 2023 (five-year rate and change)

1. Agder 70 (69) +0.9 per cent

2. Rogaland 67 (66) +1.7 per cent

3. Vestfold/Telemark 66 (66) -0.08 per cent

4. Vestland 61 (55) +5.2 per cent

5. Oslo 57 (50) +14 per cent

6. Viken 51 (55) -7.2 per cent

Norway in total 50.5 (50.4) +0.2 per cent

7. Møre/Romsdal 38 (25) +54 per cent

8. Trøndelag 37 (41) -9.7 percent

9. Nordland 34 (32) +8.5 per cent

10. Inland 31 (35) -12 per cent

11. Troms/Finnmark 25 (30) -16 per cent

Source: The Cancer Registry and NTB

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