The SOAP request:

POST /axis/PatientImage.jws HTTP/1.1
Host: localhost
Content-Type: Multipart/Related; boundary=MIME_boundary; type=text/xml; start="<abc.xml@xyz.com>"
Content-Length: nnn
SOAPAction: "" 

--MIME_boundary
Content-Type: text/xml; charset=UTF-8
Content-Transfer-Encoding:8bit
Content-ID:<abc.xml@xyz.com>

<?xml version="1.0"? encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
  <SOAP-ENV:Body>
    <setPatientImage>
      <PatientId>12345</PatientId>
      <Image href="http://xyz.com/image001.jpeg"/>
    </setPatientImage>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

--MIME_boundary
Content-Type: image/jpeg
Content-Transfer-Encoding: binary
Content-ID: <image001.jpeg@@xyz.com>

..Raw JPEG image..
--MIME_boundary--