Tropical medicine rounds
A study of skin disease spectrum occurring in Angola
phototype V–VI population in Luanda
David A. De Luca,
, Ziv Maianski,
, and Michael Averbukh,
Luanda Medical Center, Luanda, Angola
David A. De Luca,
ılcar Cabral N°3, Ingombota,
Conﬂict of interest: None.
Background Prevalence of skin diseases in Luanda (Angola) is unknown, and publications
are barely found in the literature. We aim to describe, for the ﬁrst time, the frequency of
skin disease spectrum in phototype V-VI Angolan population in Luanda City.
Methods We included Fitzpatrick phototype V-VI Angolan patients who consulted the
Dermatology Unit in Luanda Medical Center during a 1-year period. Medical information
was recovered from the electronic database, and diagnoses were based on ICD-10. Only
the main complaint was registered, and the results were classiﬁed according to age and
sex. Criteria exclusion consisted of incomplete clinical records, Fitzpatrick phototype I-IV
Angolan, or foreign patients from the study.
Results From a total of 3938 patients, 3554 met the inclusion criteria, of which 2742 were
adults 13 years or older. In this group, acne (23.6%), dermatophytosis (11.0%), and
pityriasis versicolor (8.6%) were the main complaints. On the other hand, in the pediatric
population (n = 812), atopic dermatitis (29.4%), tinea capitis (13.7%), and molluscum
contagiosum (12.5%) were the most frequent disorders. In adult females, acne (31.3%)
was the main condition, while in adult males, dermatophytosis (13.5%). In children, the
frequency of atopic dermatitis was comparable: 29.1% and 28.6% in girls and boys,
Conclusions We published for the ﬁrst time the frequency of the skin disease spectrum in
Fitzpatrick phototype V-VI Angolan population in Luanda City, highlighting the prevalence
of acne, dermatophytosis, and atopic dermatitis.
Angola is the world’s 23rd largest country and has a total popu-
lation of 26 million inhabitants (with a slight predominance of
women). Located on the western Atlantic coast of Southern
Africa, the average life expectancy in Angola is 60.2 years
(57.5 years in male, 63 years in female), which is one of the
lowest around the globe. As in other developing countries, a
mean age of 20.6 years and the high growth annual rate of
2.7% (5.7 children per women) deﬁne an expansive population
pyramid. The ethnic groups Ovimbundu, Ambundu, and
Bakongo cover almost 75% of the original population, with a
great inﬂuence from the Congolese migrants.
Luanda is the most populated province in Angola, with a pop-
ulation of seven million inhabitants. Luanda consists of a warm
semiarid weather. Rainfalls are common from October to April,
and a dry, mild temperature is expected from May to August,
with an annual average of 24.4 °C.
After the Civil War in 2002,
the foreign non-African population grew with a predominance of
Portuguese, Chinese, Cubans, and Brazilian expatriates.
The scarce resources, the medical coverage and specialists,
along with the malpractice due to the lack of medical training
force patients to ﬂy abroad to treat common diseases. Hence,
medical registry and publications, as well as statistics in derma-
tology, are rarely found in the literature. Therefore, we aim to
describe the frequency of skin diseases and dermatological
complaints in Luanda’s Fitzpatrick phototype V–VI Angolan pop-
ulation from the private health clinic database and classify the
data according to age and sex.
Material and methods
For this study, we included Fitzpatrick phototype V–VI
Angolan patients who attended the Dermatology Unit in
Luanda Medical Center in Luanda City, Angola, during a
1-year period. No gender or age restriction was applied. We
excluded incomplete medical records and Fitzpatrick
phototype I–IV Angolan or foreign patients. Skin biopsies or
other procedures were not taken into account for the ﬁnal
ª 2018 The International Society of Dermatology International Journal of Dermatology 2018, 57, 849–855