Table 2.

Characteristics of extracutaneous involvement.

Characteristics	Patient number	Percentage (%)
Extracutaneous involvement	58	81
Chest	56	97
Stage 1	25	43
Stage 2	21	36
Stage 3	2	3
Stage 4	8	14
Kidney	8	14
Extrathoracic lymphadenopathy	8	14
Ocular	7	12
Heart	2	3
Hepatic	1	2
Spleen	1	2
Pancreas	1	2
Gastrointestinal tract	1	2
Muscles	1	2
Upper respiratory tract	1	2
Articular	1	2
Bones	1	2
First manifestation
Cutaneous	43	74
Extracutaneous	15	26