Table 2:

Autopsy findings in Shy-Drager syndrome (SDS) / Olivopontocerebellar atrophy (OPCA) / multiple system atrophy (MSA), in which orthostatic hypotension was the initial clinical manifestation.

First Author (Year) [Cit. No.]	No.	Brainstem Lewy bodies	SNS Lewy bodies	Note
Johnson (1966) [36]	Case 2	0	0	OH first. Late bradykinesia, cerebellar signs. OPCA. IL column cell loss
Schwarz (1967) [64]	Case 2 Case 3	No comment No comment	No comment No comment	OH first. SDS. OPCA OH first. SDS
Nick (1967) [48]	1	0	0	OH first. SDS
Thapedi (1971) [74]	1	1	Hyaline eosinophilic bodies	OH first. SDS. Parkinsonism. No comment on CBL/Brainstem atrophy
Bannister (1972) [6]	Case 2	0	0	OH first. MSA
Evans (1972) [18]	1	0	No comment	OH first. OPCA, no typical LBs
Schober (1975) [63]	Case 1	0	0	OH first. Putamen shrinkage. MSA.
Petito (1978) [55]	Patient 4	No comment	No comment	OH first. Pathology as in MSA

Abbreviations: CBL=cerebellar; Cit. No.= citation number; IL=intermediolateral column; MSA=multiple system atrophy; OH=orthostatic hypotension; OPCA=olivopontocerebellar atrophy; SDS=Shy-Drager syndrome; SNS=sympathetic nervous system.