TABLE 1.

Clinical characteristics at diagnosis of isolated perineal Crohn’s disease and hidradenitis suppurativa

Characteristics	CD1	CD2	CD3	CD4	HS1	HS2	HS3
Gender	Girl	Girl	Girl	Boy	Boy	Boy	Boy
Age at diagnosis	15	9	10	16	15	15	9
Family history	None	None	None	None	None	Father similar lesions nape and chest without diagnosis	None
Symptoms duration (mo)	36	1	4	3	14	4	36
BMI	18	20	15	17	22	20	20
Perineal lesions	Fistulae	Fistulae	Fistulae	Fistulae	Abscess	Abscess gluteal	Abscess
							Gluteal
					Natal cleft	Bilateral	Bilateral
Extraperineal locations	Height delay	Aphtae	Height delay	None	Chest	Nape	None
Paris classification	A1b	A1a	A1b	A1b
	B3p	B3p	B3p	B3p
	G1	G0	G1	G0
Hurley classification					I	III	II
Treatment	Azathioprine and infliximab	Azathioprine and infliximab	Infliximab	Azathioprine and infliximab	Antibiotics	Infliximab	Adalimumab
					infliximab	antibiotics	antibiotics

BMI = body mass index; CD = Crohn’s disease; HS = Hidradenitis suppurativa.