Prevalence of dermatofibrosarcoma protuberans in Saudi Arabia over 24 years.: A retrospective single-institution study

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Figure 1
- PChest computed tomography showing a soft tissue mass (5 x 3.5 x 2.4 cm) that is attached to from the left side of the pericardium/left hemidiaphragm on the left lower lobe of the lung.

Table 1

- Characteristics of dermatofibrosarcoma protuberans among Saudis at a tertiary care center in eastern Saudi Arabia.

Characteristics	Gender		Chi-square	P-value
Characteristics	Male	Female	Chi-square	P-value
Location
Head and neck	0	1 (100)	3.66	0.30
Lower extremity	2 (16.7)	10 (83.3)
Trunk	7 (36.8)	12 (63.2)
Upper extremity	2 (66.7)	1 (33.3)
Pre-operative size
<2.00 cm	4 (26.7)	11 (73.3)	1.58	0.45
2.00-3.00 cm	2 (28.6)	5 (71.4)
>3.00 cm	5 (50.0)	5 (50.0)
Age at diagnosis (years)
Less than 18	2 (40.0)	3 (60.0)	0.22	0.89
19-40	5 (31.3)	11 (68.8)
41 and above	4 (28.6)	10 (71.4)

Table 2

- Published data on DFSP in several regions in Saudi Arabia.

Authors	Number of cases per total skin cancer cases	Mean age of DFSP patients	Male/Female	Region	Study duration	Study population
Al-Maghrabi et al¹⁰	3/107	Not recorded	1/2	Baha	1990–2003	Not specified
Alwunais et al¹⁴	5/27	Not recorded		Dammam	2008–2014	Not specified
Hafez et al¹³	1/100	Not recorded	1/0	Southwest	2012–2016	Saudi (94%) and Non-Saudi
Mufti¹²	6/106	40.6	2/4	West	2000–2010	Saudi
Albasri et al¹¹	12/202	32.2	8/4	Al-Madina	2006–2017	Saudi
Albasri et al¹¹	Chest			Al-Munawara
Al-Dawsari et al⁹	11/204	40	5/6	Dhahran	1994–2014	Saudi