diff --git a/LesionTracker/.meteor/versions b/LesionTracker/.meteor/versions
index 7f68afcf0..1bc3ff4fd 100644
--- a/LesionTracker/.meteor/versions
+++ b/LesionTracker/.meteor/versions
@@ -97,6 +97,8 @@ ohif:log@0.0.1
 ohif:measurements@0.0.1
 ohif:metadata@0.0.1
 ohif:study-list@0.0.1
+ohif:themes@0.0.1
+ohif:themes-common@0.0.1
 ohif:user-management@0.0.1
 ohif:viewerbase@0.0.1
 ohif:wadoproxy@0.0.1
diff --git a/Packages/ohif-core/client/components/base/index.js b/Packages/ohif-core/client/components/base/index.js
index f961c003e..521942557 100644
--- a/Packages/ohif-core/client/components/base/index.js
+++ b/Packages/ohif-core/client/components/base/index.js
@@ -12,6 +12,7 @@ import './mixins/action.js';
 import './mixins/button.js';
 import './mixins/checkbox.js';
 import './mixins/component.js';
+import './mixins/dropdown.js';
 import './mixins/form.js';
 import './mixins/formItem.js';
 import './mixins/group.js';
diff --git a/Packages/ohif-core/client/components/base/mixin.js b/Packages/ohif-core/client/components/base/mixin.js
index 355ec1b6b..fa4979404 100644
--- a/Packages/ohif-core/client/components/base/mixin.js
+++ b/Packages/ohif-core/client/components/base/mixin.js
@@ -76,6 +76,9 @@ class Mixin {
     static initData(data) {
         // Split the mixins by space
         const mixinsArray = data.mixins.split(' ');
+
+        // Control and ignore the mixins that have already been applied
+        const appliedOnData = [];
         _.each(mixinsArray, mixinName => {
             // Ignore blank strings
             if (!mixinName) {
@@ -86,7 +89,7 @@ class Mixin {
             const mixin = Mixin.getMixin(mixinName);
 
             // Initialize the data manipulation composition
-            mixin.init(null, data, [], ['onData']);
+            mixin.init(null, data, appliedOnData, ['onData']);
         });
     }
 
@@ -94,6 +97,10 @@ class Mixin {
     static initAll(template, data) {
         // Split the mixins by space
         const mixinsArray = data.mixins.split(' ');
+
+        // Control and ignore the mixins that have already been applied
+        const appliedCommon = [];
+        const appliedOnMixins = [];
         _.each(mixinsArray, mixinName => {
             // Ignore blank strings
             if (!mixinName) {
@@ -104,10 +111,10 @@ class Mixin {
             const mixin = Mixin.getMixin(mixinName);
 
             // Initialize blaze default compositions
-            mixin.init(template, data, [], ['onCreated', 'onRendered', 'onDestroyed', 'events', 'helpers']);
+            mixin.init(template, data, appliedCommon, ['onCreated', 'onRendered', 'onDestroyed', 'events', 'helpers']);
 
             // Execute some behaviors after all mixins are applied
-            mixin.init(template, data, [], ['onMixins']);
+            mixin.init(template, data, appliedOnMixins, ['onMixins']);
         });
     }
 
diff --git a/Packages/ohif-core/client/components/base/mixins/action.js b/Packages/ohif-core/client/components/base/mixins/action.js
index d645b93c4..799cf7620 100644
--- a/Packages/ohif-core/client/components/base/mixins/action.js
+++ b/Packages/ohif-core/client/components/base/mixins/action.js
@@ -1,5 +1,5 @@
-import { OHIF } from 'meteor/ohif:core';
 import { Template } from 'meteor/templating';
+import { OHIF } from 'meteor/ohif:core';
 
 /*
  * action: controls an element that will trigger some form API's method
@@ -11,24 +11,32 @@ OHIF.mixins.action = new OHIF.Mixin({
             const instance = Template.instance();
             const component = instance.component;
 
+            // Add the form-action identification class
             component.$element.addClass('form-action');
         },
 
         events: {
             'click .form-action'(event, instance) {
+                event.preventDefault();
                 const component = instance.component;
 
-                // Extract the action and the params
-                const { action, params } = instance.data;
+                // Extract action, params and disabled state
+                const { action, params, disabled } = instance.data;
+
+                // Stop here if the component is disabled
+                if (disabled) return;
 
                 // Get the current component's API
                 const api = component.getApi();
 
-                // Stop here if no API or action was defined
-                if (!api || !action || typeof api[action] !== 'function') {
-                    return;
+                // Stop here calling the action if it's a function
+                if (typeof action === 'function') {
+                    return action.call(this, params);
                 }
 
+                // Stop here if no API or action was defined
+                if (!api || !action || typeof api[action] !== 'function') return;
+
                 // Call the defined action function
                 api[action].call(this, params);
             }
diff --git a/Packages/ohif-core/client/components/base/mixins/dropdown.js b/Packages/ohif-core/client/components/base/mixins/dropdown.js
new file mode 100644
index 000000000..7956860ac
--- /dev/null
+++ b/Packages/ohif-core/client/components/base/mixins/dropdown.js
@@ -0,0 +1,81 @@
+import { Meteor } from 'meteor/meteor';
+import { Template } from 'meteor/templating';
+import { Blaze } from 'meteor/blaze';
+import { OHIF } from 'meteor/ohif:core';
+
+/*
+ * dropdown: controls a dropdown
+ */
+OHIF.mixins.dropdown = new OHIF.Mixin({
+    dependencies: 'form',
+    composition: {
+        onRendered() {
+            const instance = Template.instance();
+            const { event, centered } = instance.data.options;
+
+            // Destroy the Blaze created view (either created with template calls or with renderWithData)
+            instance.destroyView = () => {
+                if (typeof instance.data.destroyView === 'function') {
+                    instance.data.destroyView();
+                } else {
+                    Blaze.remove(instance.view);
+                }
+            };
+
+            // Get the dropdown element to enable position manipulation
+            const $dropdown = instance.$('.dropdown');
+            const dropdown = $dropdown[0];
+            const $dropdownMenu = $dropdown.children('.dropdown-menu');
+
+            dropdown.oncontextmenu = () => false;
+
+            const cssBefore = {
+                'z-index': 10000
+            };
+            if (event) {
+                cssBefore.position = 'fixed';
+                $dropdownMenu.bounded();
+            }
+
+            $dropdownMenu.css(cssBefore).focus();
+
+            // Postpone visibility change to allow CSS transitions
+            Meteor.defer(() => {
+                // Show the dropdown
+                $dropdown.addClass('open');
+
+                // Change the dropdown position if mouse event was given
+                if (event) {
+                    const position = {
+                        left: event.clientX,
+                        top: event.clientY
+                    };
+
+                    if (centered) {
+                        position.left -= $dropdownMenu.outerWidth() / 2;
+                        position.top -= $dropdownMenu.outerHeight() / 2;
+                    }
+
+                    $dropdownMenu.css(position).trigger('spatialChanged');
+                }
+            });
+        },
+
+        events: {
+            'click .form-action.disabled'(event, instance) {
+                event.preventDefault();
+                event.stopPropagation();
+            },
+
+            'click .dropdown'(event, instance) {
+                const $target = $(event.target);
+                if ($target.hasClass('disabled')) {
+                    event.preventDefault();
+                    event.stopPropagation();
+                } else {
+                    instance.destroyView();
+                }
+            }
+        }
+    }
+});
diff --git a/Packages/ohif-core/client/components/base/mixins/link.js b/Packages/ohif-core/client/components/base/mixins/link.js
index 717a99d1b..f9e34c69e 100644
--- a/Packages/ohif-core/client/components/base/mixins/link.js
+++ b/Packages/ohif-core/client/components/base/mixins/link.js
@@ -1,5 +1,5 @@
-import { OHIF } from 'meteor/ohif:core';
 import { Template } from 'meteor/templating';
+import { OHIF } from 'meteor/ohif:core';
 
 /*
  * link: controls a link
diff --git a/Packages/ohif-core/client/components/bootstrap/dropdown/form.html b/Packages/ohif-core/client/components/bootstrap/dropdown/form.html
index f79a2ae99..d5dd7d4d9 100644
--- a/Packages/ohif-core/client/components/bootstrap/dropdown/form.html
+++ b/Packages/ohif-core/client/components/bootstrap/dropdown/form.html
@@ -1,8 +1,29 @@
 <template name="dropdownForm">
-    {{#form class='dropdown' api=this.api hideValidationBox=true}}
+    {{#form (extend this mixins='dropdown' class='dropdown' hideValidationBox=true)}}
         {{>dropdownBackdrop}}
-        <ul class="dropdown-menu">
-            {{>UI.contentBlock}}
+        <ul class="dropdown-menu {{this.options.menuClasses}}">
+            {{#if UI.contentBlock}}
+                {{>UI.contentBlock}}
+            {{else}}
+                {{#each item in this.items}}
+                    {{#if item.separatorBefore}}
+                        <li role="separator" class="divider"></li>
+                    {{/if}}
+                    <li class="{{#if item.disabled}}disabled{{/if}}">
+                        {{#link item}}
+                            {{#if item.iconClasses}}
+                                <i class="{{item.iconClasses}}"></i>
+                            {{/if}}
+                            {{#if item.text}}
+                                <span>{{item.text}}</span>
+                            {{/if}}
+                        {{/link}}
+                    </li>
+                    {{#if item.separatorAfter}}
+                        <li role="separator" class="divider"></li>
+                    {{/if}}
+                {{/each}}
+            {{/if}}
         </ul>
     {{/form}}
 </template>
diff --git a/Packages/ohif-core/client/components/bootstrap/dropdown/form.js b/Packages/ohif-core/client/components/bootstrap/dropdown/form.js
deleted file mode 100644
index 407c081a3..000000000
--- a/Packages/ohif-core/client/components/bootstrap/dropdown/form.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import { Template } from 'meteor/templating';
-import { Blaze } from 'meteor/blaze';
-import { $ } from 'meteor/jquery';
-import { _ } from 'meteor/underscore';
-
-Template.dropdownForm.onRendered(() => {
-    const instance = Template.instance();
-    const dropdown = instance.$('.dropdown');
-
-    // Show the dropdown
-    dropdown.addClass('open');
-    dropdown.find('ul.dropdown-menu li a').addClass('noselect');
-
-    // Destroy the Blaze created view (either created with template calls or with renderWithData)
-    instance.destroyView = () => {
-        if (_.isFunction(instance.data.destroyView)) {
-            instance.data.destroyView();
-        } else {
-            Blaze.remove(instance.view);
-        }
-    };
-});
-
-Template.dropdownForm.events({
-    'click .dropdown'(event, instance) {
-        let target = $(event.target);
-        if (target.hasClass('disabled')) {
-            event.preventDefault();
-            event.stopPropagation();
-        } else {
-            instance.destroyView();
-        }
-    }
-});
diff --git a/Packages/ohif-core/client/components/bootstrap/index.js b/Packages/ohif-core/client/components/bootstrap/index.js
index ef8169b87..3fef3385d 100644
--- a/Packages/ohif-core/client/components/bootstrap/index.js
+++ b/Packages/ohif-core/client/components/bootstrap/index.js
@@ -17,7 +17,6 @@ import './dialog/unsavedChangesDialog.js';
 
 import './dropdown/backdrop.html';
 import './dropdown/form.html';
-import './dropdown/form.js';
 
 import './form/button.html';
 import './form/form.html';
diff --git a/Packages/ohif-core/client/ui/bounded/bounded.js b/Packages/ohif-core/client/ui/bounded/bounded.js
index d76ca4af7..2a328c345 100644
--- a/Packages/ohif-core/client/ui/bounded/bounded.js
+++ b/Packages/ohif-core/client/ui/bounded/bounded.js
@@ -1,3 +1,5 @@
+import { $ } from 'meteor/jquery';
+import { _ } from 'meteor/underscore';
 import { OHIF } from 'meteor/ohif:core';
 
 // Allow attaching to jQuery selectors
@@ -61,6 +63,19 @@ class Bounded {
         // Add the bounded class to the element
         this.$element.addClass('bounded');
 
+        // Handle the positioning on window resize
+        const $window = $(window);
+        const windowResizeHandler = () => {
+            // Check if the element is still in DOM and remove the handler if it is not
+            if (!this.$element.closest(document.documentElement).length) {
+                $window.off('resize', windowResizeHandler);
+            }
+
+            this.$element.trigger('spatialChanged');
+        };
+
+        $window.on('resize', windowResizeHandler);
+
         // Trigger the bounding check for the first timepoint
         setTimeout(() => this.$element.trigger('spatialChanged'));
     }
diff --git a/Packages/ohif-core/client/ui/dropdown/dropdown.js b/Packages/ohif-core/client/ui/dropdown/dropdown.js
new file mode 100644
index 000000000..423feb766
--- /dev/null
+++ b/Packages/ohif-core/client/ui/dropdown/dropdown.js
@@ -0,0 +1,29 @@
+import { Template } from 'meteor/templating';
+import { Blaze } from 'meteor/blaze';
+import { OHIF } from 'meteor/ohif:core';
+
+OHIF.ui.showDropdown = (items=[], options={}) => {
+    // Prepare the method to destroy the view
+    let view;
+    const destroyView = () => Blaze.remove(view);
+    const templateData = {
+        items,
+        options,
+        destroyView
+    };
+
+    // Render the dialog with the given template and data
+    const parentElement = options.parentElement || document.body;
+    view = Blaze.renderWithData(Template.dropdownForm, templateData, parentElement);
+};
+
+Meteor.startup(() => {
+    OHIF.ui.showDropdown([{
+        text: 'test 1',
+        action: () => console.warn('test1Clicked'),
+        separatorAfter: true
+    }, {
+        text: 'test 2',
+        action: () => console.warn('test2Clicked')
+    }]);
+});
diff --git a/Packages/ohif-core/client/ui/index.js b/Packages/ohif-core/client/ui/index.js
index 48cc0e7f1..917a09dba 100644
--- a/Packages/ohif-core/client/ui/index.js
+++ b/Packages/ohif-core/client/ui/index.js
@@ -4,6 +4,7 @@ import './dialog/display.js';
 import './dialog/spatial.js';
 import './dialog/unsavedChangesDialog.js';
 import './draggable/draggable.js';
+import './dropdown/dropdown.js';
 import './dropdown/form.js';
 import './resizable/resizable.js';
 import './unsavedChanges/unsavedChanges.js';
diff --git a/Packages/ohif-header/components/header.html b/Packages/ohif-header/components/header.html
new file mode 100644
index 000000000..5c2ba39d0
--- /dev/null
+++ b/Packages/ohif-header/components/header.html
@@ -0,0 +1,12 @@
+<template name="header">
+    <div class="header noselect {{headerClasses}}">
+        <div class="clearfix">
+            <a target='_blank' class="brand pull-left" href="{{choose this.brandHref '/'}}">
+                {{>section 'brand'}}
+            </a>
+            <div class="header-menu pull-right">
+                
+            </div>
+        </div>
+    </div>
+</template>
diff --git a/Packages/ohif-header/components/header.styl b/Packages/ohif-header/components/header.styl
new file mode 100644
index 000000000..7aef70132
--- /dev/null
+++ b/Packages/ohif-header/components/header.styl
@@ -0,0 +1,31 @@
+$expandedHeight = 160px
+
+.header
+  height: $topBarHeight
+  padding: 10px 10px 0
+  theme('color', '$textPrimaryColor')
+  theme('background-color', '$primaryBackgroundColor')
+  transition(all 0.5s ease)
+
+  &>.clearfix
+    position: relative
+
+  .brand
+    background-image: url(/packages/pim_webviewer/assets/logo.svg)
+    background-repeat: no-repeat
+    background-size: 100%
+    display: block
+    font-size: 9px
+    height: 3.5em
+    text-decoration: none
+    width: 34.6em
+
+  &.studyList
+    background-color: rgba(21, 25, 30, 0.7)
+    height: $expandedHeight
+    padding-left: $studyListPadding
+    padding-right: $studyListPadding
+
+    .brand
+      font-size: 16px
+      margin-top: 44px
diff --git a/Packages/ohif-header/index.js b/Packages/ohif-header/index.js
new file mode 100644
index 000000000..fd2f325d4
--- /dev/null
+++ b/Packages/ohif-header/index.js
@@ -0,0 +1,2 @@
+import './components/header.html';
+import './components/header.styl';
diff --git a/Packages/ohif-header/package.js b/Packages/ohif-header/package.js
new file mode 100644
index 000000000..860b55274
--- /dev/null
+++ b/Packages/ohif-header/package.js
@@ -0,0 +1,19 @@
+Package.describe({
+    name: 'ohif:header',
+    summary: 'OHIF Header Templates',
+    version: '0.0.1'
+});
+
+Package.onUse(function(api) {
+    api.versionsFrom('1.4.2.3');
+
+    // Meteor packages
+    api.use('ecmascript');
+    api.use('stylus');
+
+    // OHIF dependencies
+    api.use('ohif:core', 'client');
+
+    // Client imports
+    api.addFiles('index.js', 'client');
+});
diff --git a/Packages/ohif-themes/package.js b/Packages/ohif-themes/package.js
index 4422c85b5..53b9805cc 100644
--- a/Packages/ohif-themes/package.js
+++ b/Packages/ohif-themes/package.js
@@ -9,7 +9,7 @@ Package.onUse(function(api) {
 
     api.use('stylus');
 
-    api.use('ohif:themes-common');
+    api.use('ohif:themes-common', 'client');
 
     // Importable themes related variables
     api.addFiles('themes.styl', 'client', { isImport: true });