Table 3.

Expression of Arpp and Carp Protein in RMS

Histology	Age	Sex	Site	Arpp	HHF35	Myoglobin	Desmin	Carp
1. Alveolar	38	M	Nasal	++	++	+	+	++
2. Alveolar	7	F	Muscle	++	+	+/−	+	++
3. Alveolar	20	F		++	+	+	NT	++
4. Alveolar	2	F	Nasal	+	++	+	+	NT
5. Alveolar	3	F	Nasal	++	++	−	+	NT
6. Alveolar	16	M	Hip	+	++	+	++	++
7. Embryonal	48	M	Soft tissue	++	++	+	+	++
8. Embryonal	18	M	Lymph node	++	+	+/−	+	++
9. Embryonal/botryoid	1.8	M	Ureter	++	++	+	+/−	++
10. Embryonal/botryoid	55	M	Rectum/bladder	+	+	+	+	++
11. Embryonal	12	F	Soft tissue	+	++	+	+	++
12. Embryonal	25	M	Soft tissue	+	++	+	NT	++
13. Embryonal	8	M	Bladder	+	++	+/−	+/−	++
14. Embryonal	4	M	Lung	+/−	++	+/−	+	+
15. Embryonal	22	F	Maxillary	+	++	−	++	NT
16. Embryonal	4	M	Pelvic cavity	++	−	−	+/−	NT
17. Embryonal	13	M	Hand	++	++	−	+	NT
18. Embryonal	8	M	Retroperitoneum	+	++	−	+	NT
19. Pleomorphic	26	M	Prostate/bladder	+	++	+	+	++
20. Pleomorphic	20	F	Leg	++	++	+	++	NT
21. Pleomorphic	48	F	Thigh	+	++	−	++	NT
22. Pleomorphic	53	M	Lumbar region	++	++	+/−	++	+
23. Pleomorphic	62	F	Ovary	++	++	+	+	++
24. Pleomorphic	38	M	Cervical region	+	++	+/−	++	NT

Immunoreactivities were classified based on the Arpp-positive rate. ++, <50%; +, 5 to 50%; +/−, 0 to 5%; −, unstained.

NT, Not tried.