Figure 43. Catarrhal Lupus. Leucocytes are present in such amount as to completely conceal the tuberculous structure. Traces of epithelium covered the whole surface, and the overlying crust teemed with microcci. 50x
Norman Purvis Walker
<cite class="book" style="font-style:normal" id="Reference-Walker-1905">Walker, Norman Purvis (1905)      <i> <a rel="nofollow" class="external text" href="https://books.google.com/books?id=fnYoAAAAYAAJ">An introduction to dermatology</a></i> (3<sup>rd</sup> ed.), William Wood and company Retrieved on 26 September 2010. <small></small></cite>